{"url":"http://public2.vulnerablecode.io/api/packages/58681?format=json","purl":"pkg:npm/ckeditor4@4.16.2","type":"npm","namespace":"","name":"ckeditor4","version":"4.16.2","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"4.25.0","latest_non_vulnerable_version":"4.25.0","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/44703?format=json","vulnerability_id":"VCID-2mmd-x6ge-fuaw","summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\nCKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability has been discovered affecting Iframe Dialog and Media Embed packages. The vulnerability may trigger a JavaScript code after fulfilling special conditions: using one of the affected packages on a web page with missing proper Content Security Policy configuration; initializing the editor on an element and using an element other than `<textarea>` as a base; and destroying the editor instance. This vulnerability might affect a small percentage of integrators that depend on dynamic editor initialization/destroy mechanism. A fix is available in CKEditor4 version 4.21.0. In some rare cases, a security fix may be considered a breaking change. Starting from version 4.21.0, the Iframe Dialog plugin applies the `sandbox` attribute by default, which restricts JavaScript code execution in the iframe element. To change this behavior, configure the `config.iframe_attributes` option. Also starting from version 4.21.0, the Media Embed plugin regenerates the entire content of the embed widget by default. To change this behavior, configure the `config.embed_keepOriginalContent` option. Those who choose to enable either of the more permissive options or who cannot upgrade to a patched version should properly configure Content Security Policy to avoid any potential security issues that may arise from embedding iframe elements on their web page.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-28439","reference_id":"","reference_type":"","scores":[{"value":"0.0054","scoring_system":"epss","scoring_elements":"0.68012","published_at":"2026-06-05T12:55:00Z"},{"value":"0.0054","scoring_system":"epss","scoring_elements":"0.6802","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-28439"},{"reference_url":"https://ckeditor.com/cke4/addon/embed","reference_id":"","reference_type":"","scores":[{"value":"4.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:11Z/"}],"url":"https://ckeditor.com/cke4/addon/embed"},{"reference_url":"https://ckeditor.com/cke4/addon/iframe","reference_id":"","reference_type":"","scores":[{"value":"4.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:11Z/"}],"url":"https://ckeditor.com/cke4/addon/iframe"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28439","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28439"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1034481","reference_id":"1034481","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1034481"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059301","reference_id":"1059301","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059301"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28439","reference_id":"CVE-2023-28439","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28439"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-vh5c-xwqv-cv9g","reference_id":"GHSA-vh5c-xwqv-cv9g","reference_type":"","scores":[{"value":"4.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:11Z/"}],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-vh5c-xwqv-cv9g"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GWKG2VCPJNETVCDTXU4X6FQ2PO6XCNGN/","reference_id":"GWKG2VCPJNETVCDTXU4X6FQ2PO6XCNGN","reference_type":"","scores":[{"value":"4.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:11Z/"}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GWKG2VCPJNETVCDTXU4X6FQ2PO6XCNGN/"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4ODGOW6PYVOXHQSMWJBOCE6DXWAI33W/","reference_id":"L4ODGOW6PYVOXHQSMWJBOCE6DXWAI33W","reference_type":"","scores":[{"value":"4.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:11Z/"}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4ODGOW6PYVOXHQSMWJBOCE6DXWAI33W/"},{"reference_url":"https://usn.ubuntu.com/7258-1/","reference_id":"USN-7258-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/7258-1/"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VCYKD3JZWWA3ESOZG4PHJJEXT4EYIUIQ/","reference_id":"VCYKD3JZWWA3ESOZG4PHJJEXT4EYIUIQ","reference_type":"","scores":[{"value":"4.7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-15T17:09:11Z/"}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VCYKD3JZWWA3ESOZG4PHJJEXT4EYIUIQ/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/64359?format=json","purl":"pkg:npm/ckeditor4@4.21.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2x4x-gkb7-u3b8"},{"vulnerability":"VCID-3ze6-frgs-bqc6"},{"vulnerability":"VCID-dhra-m93g-tucw"},{"vulnerability":"VCID-zpr3-15yc-gfcn"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.21.0"}],"aliases":["CVE-2023-28439","GHSA-vh5c-xwqv-cv9g"],"risk_score":2.1,"exploitability":"0.5","weighted_severity":"4.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-2mmd-x6ge-fuaw"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/42697?format=json","vulnerability_id":"VCID-2nbt-ysxu-d3bu","summary":"Improper Input Validation\nCKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-26271","reference_id":"","reference_type":"","scores":[{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.7037","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.70362","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.7032","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-26271"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-24729","reference_id":"","reference_type":"","scores":[{"value":"0.01115","scoring_system":"epss","scoring_elements":"0.78532","published_at":"2026-06-04T12:55:00Z"},{"value":"0.01115","scoring_system":"epss","scoring_elements":"0.78566","published_at":"2026-06-06T12:55:00Z"},{"value":"0.01115","scoring_system":"epss","scoring_elements":"0.78558","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-24729"},{"reference_url":"https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first","reference_id":"","reference_type":"","scores":[],"url":"https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first"},{"reference_url":"https://ckeditor.com/cke4/release/CKEditor-4.18.0","reference_id":"","reference_type":"","scores":[],"url":"https://ckeditor.com/cke4/release/CKEditor-4.18.0"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26271","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26271"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24729","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24729"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416"},{"reference_url":"https://github.com/ckeditor/ckeditor4/blob/master/CHANGES.md#ckeditor-416","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/blob/master/CHANGES.md#ckeditor-416"},{"reference_url":"https://web.archive.org/web/20210128132707/https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://web.archive.org/web/20210128132707/https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first"},{"reference_url":"https://www.drupal.org/sa-core-2022-005","reference_id":"","reference_type":"","scores":[],"url":"https://www.drupal.org/sa-core-2022-005"},{"reference_url":"https://www.oracle.com//security-alerts/cpujul2021.html","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"reference_url":"https://www.oracle.com/security-alerts/cpuoct2021.html","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982587","reference_id":"982587","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982587"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26271","reference_id":"CVE-2021-26271","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26271"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24729","reference_id":"CVE-2022-24729","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24729"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh","reference_id":"GHSA-f6rf-9m92-x2hh","reference_type":"","scores":[],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh"},{"reference_url":"https://github.com/advisories/GHSA-jv4c-7jqq-m34x","reference_id":"GHSA-jv4c-7jqq-m34x","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-jv4c-7jqq-m34x"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/61002?format=json","purl":"pkg:npm/ckeditor4@4.18.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2mmd-x6ge-fuaw"},{"vulnerability":"VCID-2x4x-gkb7-u3b8"},{"vulnerability":"VCID-3ze6-frgs-bqc6"},{"vulnerability":"VCID-dhra-m93g-tucw"},{"vulnerability":"VCID-zpr3-15yc-gfcn"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.18.0"}],"aliases":["CVE-2021-26271","CVE-2022-24729","GHSA-f6rf-9m92-x2hh","GHSA-jv4c-7jqq-m34x"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-2nbt-ysxu-d3bu"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/46970?format=json","vulnerability_id":"VCID-2x4x-gkb7-u3b8","summary":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in ckeditor4.","references":[{"reference_url":"https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb","reference_id":"","reference_type":"","scores":[],"url":"https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb"},{"reference_url":"https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor","reference_id":"","reference_type":"","scores":[],"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-cksource-ckeditor"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4771","reference_id":"CVE-2023-4771","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4771"},{"reference_url":"https://github.com/advisories/GHSA-wh5w-82f3-wrxh","reference_id":"GHSA-wh5w-82f3-wrxh","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-wh5w-82f3-wrxh"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-wh5w-82f3-wrxh","reference_id":"GHSA-wh5w-82f3-wrxh","reference_type":"","scores":[],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-wh5w-82f3-wrxh"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/68821?format=json","purl":"pkg:npm/ckeditor4@4.24.0-lts","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.24.0-lts"}],"aliases":["GHSA-wh5w-82f3-wrxh","GMS-2024-140"],"risk_score":null,"exploitability":"0.5","weighted_severity":"0.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-2x4x-gkb7-u3b8"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/46971?format=json","vulnerability_id":"VCID-3ze6-frgs-bqc6","summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\nCKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability vulnerability has been discovered in versions prior to 4.24.0-lts in samples that use the `preview` feature. All integrators that use these samples in the production code can be affected. The vulnerability allows an attacker to execute JavaScript code by abusing the misconfigured preview feature. It affects all users using the CKEditor 4 at version < 4.24.0-lts with affected samples used in a production environment. A fix is available in version 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scripting","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41165","reference_id":"","reference_type":"","scores":[{"value":"0.00106","scoring_system":"epss","scoring_elements":"0.28265","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00106","scoring_system":"epss","scoring_elements":"0.28315","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00128","scoring_system":"epss","scoring_elements":"0.31709","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41165"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41165","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41165"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417"},{"reference_url":"https://www.drupal.org/sa-core-2021-011","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.drupal.org/sa-core-2021-011"},{"reference_url":"https://www.oracle.com/security-alerts/cpuapr2022.html","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"reference_url":"https://www.oracle.com/security-alerts/cpujan2022.html","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"reference_url":"https://www.oracle.com/security-alerts/cpujul2022.html","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1015217","reference_id":"1015217","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1015217"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999909","reference_id":"999909","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999909"},{"reference_url":"https://security.archlinux.org/AVG-2565","reference_id":"AVG-2565","reference_type":"","scores":[{"value":"Medium","scoring_system":"archlinux","scoring_elements":""}],"url":"https://security.archlinux.org/AVG-2565"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41165","reference_id":"CVE-2021-41165","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41165"},{"reference_url":"https://github.com/advisories/GHSA-7h26-63m7-qhf2","reference_id":"GHSA-7h26-63m7-qhf2","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-7h26-63m7-qhf2"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2","reference_id":"GHSA-7h26-63m7-qhf2","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3","scoring_elements":""},{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/59572?format=json","purl":"pkg:npm/ckeditor4@4.17.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2mmd-x6ge-fuaw"},{"vulnerability":"VCID-2nbt-ysxu-d3bu"},{"vulnerability":"VCID-2x4x-gkb7-u3b8"},{"vulnerability":"VCID-3ze6-frgs-bqc6"},{"vulnerability":"VCID-dhra-m93g-tucw"},{"vulnerability":"VCID-fm9y-ujc1-qbaq"},{"vulnerability":"VCID-zpr3-15yc-gfcn"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.17.0"}],"aliases":["CVE-2021-41165","GHSA-7h26-63m7-qhf2"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-6xfu-dm97-nkg4"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/7008?format=json","vulnerability_id":"VCID-cbgv-19kg-z7a9","summary":"cross-site scripting","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41164","reference_id":"","reference_type":"","scores":[{"value":"0.00076","scoring_system":"epss","scoring_elements":"0.23008","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00076","scoring_system":"epss","scoring_elements":"0.22927","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00076","scoring_system":"epss","scoring_elements":"0.22994","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-41164"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41164","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41164"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/"},{"reference_url":"https://www.drupal.org/sa-core-2021-011","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.drupal.org/sa-core-2021-011"},{"reference_url":"https://www.oracle.com/security-alerts/cpuapr2022.html","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"reference_url":"https://www.oracle.com/security-alerts/cpujan2022.html","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"reference_url":"https://www.oracle.com/security-alerts/cpujul2022.html","reference_id":"","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999909","reference_id":"999909","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999909"},{"reference_url":"https://security.archlinux.org/AVG-2565","reference_id":"AVG-2565","reference_type":"","scores":[{"value":"Medium","scoring_system":"archlinux","scoring_elements":""}],"url":"https://security.archlinux.org/AVG-2565"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41164","reference_id":"CVE-2021-41164","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41164"},{"reference_url":"https://github.com/advisories/GHSA-pvmx-g8h5-cprj","reference_id":"GHSA-pvmx-g8h5-cprj","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-pvmx-g8h5-cprj"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj","reference_id":"GHSA-pvmx-g8h5-cprj","reference_type":"","scores":[{"value":"8.2","scoring_system":"cvssv3","scoring_elements":""},{"value":"8.2","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-pvmx-g8h5-cprj"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/59572?format=json","purl":"pkg:npm/ckeditor4@4.17.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2mmd-x6ge-fuaw"},{"vulnerability":"VCID-2nbt-ysxu-d3bu"},{"vulnerability":"VCID-2x4x-gkb7-u3b8"},{"vulnerability":"VCID-3ze6-frgs-bqc6"},{"vulnerability":"VCID-dhra-m93g-tucw"},{"vulnerability":"VCID-fm9y-ujc1-qbaq"},{"vulnerability":"VCID-zpr3-15yc-gfcn"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.17.0"}],"aliases":["CVE-2021-41164","GHSA-pvmx-g8h5-cprj"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-cbgv-19kg-z7a9"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/46966?format=json","vulnerability_id":"VCID-dhra-m93g-tucw","summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\nCKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A cross-site scripting vulnerability has been discovered in the core HTML parsing module in versions of CKEditor4 prior to 4.24.0-lts. It may affect all editor instances that enabled full-page editing mode or enabled CDATA elements in Advanced Content Filtering configuration (defaults to `script` and `style` elements). The vulnerability allows attackers to inject malformed HTML content bypassing Advanced Content Filtering mechanism, which could result in executing JavaScript code. An attacker could abuse faulty CDATA content detection and use it to prepare an intentional attack on the editor. A fix is available in version 4.24.0-lts.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-24815","reference_id":"","reference_type":"","scores":[{"value":"0.00169","scoring_system":"epss","scoring_elements":"0.3784","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00169","scoring_system":"epss","scoring_elements":"0.37837","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-24815"},{"reference_url":"https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_dtd.html#property-S-cdata","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-08T16:41:58Z/"}],"url":"https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_dtd.html#property-S-cdata"},{"reference_url":"https://ckeditor.com/docs/ckeditor4/latest/features/fullpage.html","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-08T16:41:58Z/"}],"url":"https://ckeditor.com/docs/ckeditor4/latest/features/fullpage.html"},{"reference_url":"https://ckeditor.com/docs/ckeditor4/latest/guide/dev_advanced_content_filter.html","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-08T16:41:58Z/"}],"url":"https://ckeditor.com/docs/ckeditor4/latest/guide/dev_advanced_content_filter.html"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-24815","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-24815"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-08T16:41:58Z/"}],"url":"https://github.com/ckeditor/ckeditor4/commit/8ed1a3c93d0ae5f49f4ecff5738ab8a2972194cb"},{"reference_url":"https://www.drupal.org/sa-contrib-2024-009","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-02-08T16:41:58Z/"}],"url":"https://www.drupal.org/sa-contrib-2024-009"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063536","reference_id":"1063536","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063536"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063537","reference_id":"1063537","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063537"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24815","reference_id":"CVE-2024-24815","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24815"},{"reference_url":"https://github.com/advisories/GHSA-fq6h-4g8v-qqvm","reference_id":"GHSA-fq6h-4g8v-qqvm","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-fq6h-4g8v-qqvm"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-fq6h-4g8v-qqvm","reference_id":"GHSA-fq6h-4g8v-qqvm","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3","scoring_elements":""},{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A: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Neutralization of Input During Web Page Generation ('Cross-site Scripting')\nCKEditor4 is an open source what-you-see-is-what-you-get HTML editor. A vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4 prior to version 4.18.0. The vulnerability allows someone to inject malformed HTML bypassing content sanitization, which could result in executing JavaScript code. This problem has been patched in version 4.18.0. There are currently no known workarounds.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-24728","reference_id":"","reference_type":"","scores":[{"value":"0.00994","scoring_system":"epss","scoring_elements":"0.77301","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00994","scoring_system":"epss","scoring_elements":"0.77271","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00994","scoring_system":"epss","scoring_elements":"0.77311","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-24728"},{"reference_url":"https://ckeditor.com/cke4/release/CKEditor-4.18.0","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:08:59Z/"}],"url":"https://ckeditor.com/cke4/release/CKEditor-4.18.0"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24728","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24728"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/commit/d158413449692d920a778503502dcb22881bc949","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:08:59Z/"}],"url":"https://github.com/ckeditor/ckeditor4/commit/d158413449692d920a778503502dcb22881bc949"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VR76VBN5GW5QUBJFHVXRX36UZ6YTCMW6/"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WOZGMCYDB2OKKULFXZKM6V7JJW4ZZHJP/"},{"reference_url":"https://securitylab.github.com/advisories/GHSL-2022-009_ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://securitylab.github.com/advisories/GHSL-2022-009_ckeditor4"},{"reference_url":"https://securitylab.github.com/advisories/GHSL-2022-009_ckeditor4/","reference_id":"","reference_type":"","scores":[],"url":"https://securitylab.github.com/advisories/GHSL-2022-009_ckeditor4/"},{"reference_url":"https://www.drupal.org/sa-core-2022-005","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-23T14:08:59Z/"}],"url":"https://www.drupal.org/sa-core-2022-005"},{"reference_url":"https://www.oracle.com/security-alerts/cpujul2022.html","refere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Snippet GeSHi plugin in CKEditor 4 has reflected cross-site scripting (XSS) vulnerability\n### Affected packages\nThe vulnerability has been discovered in [Code Snippet GeSHi](https://ckeditor.com/cke4/addon/codesnippetgeshi) plugin. All integrators that use [GeSHi syntax highlighter](https://github.com/GeSHi/geshi-1.0) on the backend side can be affected.\n\n### Impact\nA potential vulnerability has been discovered in CKEditor 4 [Code Snippet GeSHi](https://ckeditor.com/cke4/addon/codesnippetgeshi) plugin. The vulnerability allowed a reflected XSS attack by exploiting a flaw in the [GeSHi syntax highlighter library](https://github.com/GeSHi/geshi-1.0) hosted by the victim.\n\nThe GeSHi library was included as a vendor dependency in CKEditor 4 source files. In a specific scenario, an attacker could craft a malicious script that could be executed by sending a request to the GeSHi library hosted on a PHP web server.\n\n### Patches\n\nThe [GeSHi library](https://github.com/GeSHi/geshi-1.0) is no longer actively maintained. Due to the lack of ongoing support and updates, potential security vulnerabilities have been identified with its continued use. To mitigate these risks and enhance the overall security of the CKEditor 4, we have decided to completely remove the GeSHi library as a dependency. This change aims to maintain a secure environment and reduce the risk of any security incidents related to outdated or unsupported software.\n\nTo integrators who still want to use the GeSHi syntax highlighter, we recommend manually adding the [GeSHi library](https://github.com/GeSHi/geshi-1.0) . Please be aware of and understand the potential security vulnerabilities associated with its use.\n\nThe fix is be available in version 4.25.0-lts.\n\n### Acknowledgements\n\nThe CKEditor 4 team would like to thank [Jiasheng He](https://github.com/Hebing123) from Qihoo 360 for recognizing and reporting this vulnerability.\n\n### For more information\n\nEmail us at [security@cksource.com](mailto:security@cksource.com) if you have any questions or comments about this advisory.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-43407","reference_id":"","reference_type":"","scores":[{"value":"0.01847","scoring_system":"epss","scoring_elements":"0.83364","published_at":"2026-06-06T12:55:00Z"},{"value":"0.01847","scoring_system":"epss","scoring_elements":"0.83361","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-43407"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-43407","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-43407"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/commit/71072c9f7f263329841bd38e7e5309074c82ef94","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-21T19:12:17Z/"}],"url":"https://github.com/ckeditor/ckeditor4/commit/71072c9f7f263329841bd38e7e5309074c82ef94"},{"reference_url":"https://github.com/ckeditor/ckeditor4/commit/951e7d75fcbcaa2590b0719fb0bb0dd0539ca6fa","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-21T19:12:17Z/"}],"url":"https://github.com/ckeditor/ckeditor4/commit/951e7d75fcbcaa2590b0719fb0bb0dd0539ca6fa"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7r32-vfj5-c2jv","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3","scoring_elements":""},{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-21T19:12:17Z/"}],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7r32-vfj5-c2jv"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1083192","reference_id":"1083192","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1083192"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43407","reference_id":"CVE-2024-43407","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"value":"5.3","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43407"},{"reference_url":"https://github.com/advisories/GHSA-7r32-vfj5-c2jv","reference_id":"GHSA-7r32-vfj5-c2jv","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-7r32-vfj5-c2jv"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/82438?format=json","purl":"pkg:npm/ckeditor4@4.25.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.25.0"}],"aliases":["CVE-2024-43407","GHSA-7r32-vfj5-c2jv"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-zpr3-15yc-gfcn"}],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/41306?format=json","vulnerability_id":"VCID-e4fg-q8d2-pkan","summary":"Cross-site Scripting\nckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at The problem has been recognized and patched. The fix will be available","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-32808","reference_id":"","reference_type":"","scores":[{"value":"0.01368","scoring_system":"epss","scoring_elements":"0.80543","published_at":"2026-06-04T12:55:00Z"},{"value":"0.01368","scoring_system":"epss","scoring_elements":"0.80571","published_at":"2026-06-06T12:55:00Z"},{"value":"0.01368","scoring_system":"epss","scoring_elements":"0.8057","published_at":"2026-06-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-32808"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32808","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32808"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2","reference_id":"","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/releases/tag/4.16.2"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c","reference_id":"","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3","scoring_elements":""},{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-6226-h7ff-ch6c"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T","reference_id":"","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW","reference_id":"","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD","reference_id":"","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD"},{"reference_url":"https://www.oracle.com/security-alerts/cpujan2022.html","reference_id":"","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"reference_url":"https://www.oracle.com/security-alerts/cpuoct2021.html","reference_id":"","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992292","reference_id":"992292","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992292"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32808","reference_id":"CVE-2021-32808","reference_type":"","scores":[{"value":"7.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32808"},{"reference_url":"https://usn.ubuntu.com/5340-1/","reference_id":"USN-5340-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/5340-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/58681?format=json","purl":"pkg:npm/ckeditor4@4.16.2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2mmd-x6ge-fuaw"},{"vulnerability":"VCID-2nbt-ysxu-d3bu"},{"vulnerability":"VCID-2x4x-gkb7-u3b8"},{"vulnerability":"VCID-3ze6-frgs-bqc6"},{"vulnerability":"VCID-6xfu-dm97-nkg4"},{"vulnerability":"VCID-cbgv-19kg-z7a9"},{"vulnerability":"VCID-dhra-m93g-tucw"},{"vulnerability":"VCID-fm9y-ujc1-qbaq"},{"vulnerability":"VCID-zpr3-15yc-gfcn"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.16.2"}],"aliases":["CVE-2021-32808","GHSA-6226-h7ff-ch6c"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-e4fg-q8d2-pkan"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/41307?format=json","vulnerability_id":"VCID-jwb5-yddw-7yc7","summary":"Code Injection\nckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEdit The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-32809","reference_id":"","reference_type":"","scores":[{"value":"0.00236","scoring_system":"epss","scoring_elements":"0.4679","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00236","scoring_system":"epss","scoring_elements":"0.46787","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00236","scoring_system":"epss","scoring_elements":"0.46721","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-32809"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32809","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32809"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"4.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg","reference_id":"","reference_type":"","scores":[{"value":"4.6","scoring_system":"cvssv3","scoring_elements":""},{"value":"4.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T","reference_id":"","reference_type":"","scores":[{"value":"4.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW","reference_id":"","reference_type":"","scores":[{"value":"4.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD","reference_id":"","reference_type":"","scores":[{"value":"4.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD"},{"reference_url":"https://www.oracle.com/security-alerts/cpujan2022.html","reference_id":"","reference_type":"","scores":[{"value":"4.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"reference_url":"https://www.oracle.com/security-alerts/cpuoct2021.html","reference_id":"","reference_type":"","scores":[{"value":"4.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992291","reference_id":"992291","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992291"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32809","reference_id":"CVE-2021-32809","reference_type":"","scores":[{"value":"4.6","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32809"},{"reference_url":"https://usn.ubuntu.com/5340-1/","reference_id":"USN-5340-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/5340-1/"},{"reference_url":"https://usn.ubuntu.com/USN-5340-2/","reference_id":"USN-USN-5340-2","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/USN-5340-2/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/58681?format=json","purl":"pkg:npm/ckeditor4@4.16.2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-2mmd-x6ge-fuaw"},{"vulnerability":"VCID-2nbt-ysxu-d3bu"},{"vulnerability":"VCID-2x4x-gkb7-u3b8"},{"vulnerability":"VCID-3ze6-frgs-bqc6"},{"vulnerability":"VCID-6xfu-dm97-nkg4"},{"vulnerability":"VCID-cbgv-19kg-z7a9"},{"vulnerability":"VCID-dhra-m93g-tucw"},{"vulnerability":"VCID-fm9y-ujc1-qbaq"},{"vulnerability":"VCID-zpr3-15yc-gfcn"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.16.2"}],"aliases":["CVE-2021-32809","GHSA-7889-rm5j-hpgg"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-jwb5-yddw-7yc7"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/41312?format=json","vulnerability_id":"VCID-x4h6-xdj1-ebeu","summary":"Cross-site Scripting\nckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEdit The vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at The problem has been recognized and patched.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-37695","reference_id":"","reference_type":"","scores":[{"value":"0.0074","scoring_system":"epss","scoring_elements":"0.73325","published_at":"2026-06-06T12:55:00Z"},{"value":"0.0074","scoring_system":"epss","scoring_elements":"0.73319","published_at":"2026-06-05T12:55:00Z"},{"value":"0.0074","scoring_system":"epss","scoring_elements":"0.73283","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-37695"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37695","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37695"},{"reference_url":"https://github.com/ckeditor/ckeditor4","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4"},{"reference_url":"https://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58"},{"reference_url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-m94c-37g6-cjhc","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3","scoring_elements":""},{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-m94c-37g6-cjhc"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW"},{"reference_url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD"},{"reference_url":"https://www.oracle.com/security-alerts/cpujan2022.html","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"reference_url":"https://www.oracle.com/security-alerts/cpuoct2021.html","reference_id":"","reference_type":"","scores":[{"value":"7.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.oracle.com/security-alerts/cpuoct2021.html"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992290","reference_id":"992290","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=992290"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37695","reference_id":"CVE-2021-37695","reference_type":"","sc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