{"url":"http://public2.vulnerablecode.io/api/packages/1050242?format=json","purl":"pkg:deb/debian/ckeditor@3.6.1-1","type":"deb","namespace":"debian","name":"ckeditor","version":"3.6.1-1","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":null,"latest_non_vulnerable_version":null,"affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/56687?format=json","vulnerability_id":"VCID-c8r2-wpf3-47f9","summary":"CKEditor 4 ReDoS Vulnerability\nIt was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).","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":"0.69999","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69879","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69894","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69871","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69919","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69935","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69959","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69943","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69929","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69972","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69982","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69964","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.70015","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.70024","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00617","scoring_system":"epss","scoring_elements":"0.69867","published_at":"2026-04-01T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-26271"},{"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://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://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://nvd.nist.gov/vuln/detail/CVE-2021-26271","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://nvd.nist.gov/vuln/detail/CVE-2021-26271"},{"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.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://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/583500?format=json","purl":"pkg:deb/debian/ckeditor@4.16.0%2Bdfsg-2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17pr-6guy-53ge"},{"vulnerability":"VCID-4x92-vapt-n7dz"},{"vulnerability":"VCID-8hvk-a5es-v3e4"},{"vulnerability":"VCID-k7qp-c6vp-sqbg"},{"vulnerability":"VCID-sd2a-hmu2-wbax"},{"vulnerability":"VCID-un66-k85j-b7d2"},{"vulnerability":"VCID-vj35-jtgq-8qbv"},{"vulnerability":"VCID-xhp7-kqdk-tfeu"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/ckeditor@4.16.0%252Bdfsg-2"}],"aliases":["CVE-2021-26271","GHSA-jv4c-7jqq-m34x"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-c8r2-wpf3-47f9"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/34364?format=json","vulnerability_id":"VCID-h5zz-wz8f-2uf6","summary":"Inclusion of Functionality from Untrusted Control Sphere in CKEditor 4\nIt was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space (in the Autolink plugin).","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-26272","reference_id":"","reference_type":"","scores":[{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66014","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66064","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66086","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66088","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66077","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66056","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.6603","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.65985","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.6598","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66068","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66054","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66018","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66049","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66061","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.66042","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00502","scoring_system":"epss","scoring_elements":"0.65943","published_at":"2026-04-01T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-26272"},{"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":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":""},{"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://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26272","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26272"},{"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://nvd.nist.gov/vuln/detail/CVE-2021-26272","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://nvd.nist.gov/vuln/detail/CVE-2021-26272"},{"reference_url":"https://www.oracle.com/security-alerts/cpujan2022.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/cpujan2022.html"},{"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://github.com/advisories/GHSA-wpvm-wqr4-p7cw","reference_id":"GHSA-wpvm-wqr4-p7cw","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-wpvm-wqr4-p7cw"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/583500?format=json","purl":"pkg:deb/debian/ckeditor@4.16.0%2Bdfsg-2","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-17pr-6guy-53ge"},{"vulnerability":"VCID-4x92-vapt-n7dz"},{"vulnerability":"VCID-8hvk-a5es-v3e4"},{"vulnerability":"VCID-k7qp-c6vp-sqbg"},{"vulnerability":"VCID-sd2a-hmu2-wbax"},{"vulnerability":"VCID-un66-k85j-b7d2"},{"vulnerability":"VCID-vj35-jtgq-8qbv"},{"vulnerability":"VCID-xhp7-kqdk-tfeu"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/ckeditor@4.16.0%252Bdfsg-2"}],"aliases":["CVE-2021-26272","GHSA-wpvm-wqr4-p7cw"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-h5zz-wz8f-2uf6"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/10049?format=json","vulnerability_id":"VCID-qb4j-9tz7-m7a2","summary":"Cross-site Scripting\nCKEditor allows user-assisted XSS involving a source-mode paste.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2018-17960","reference_id":"","reference_type":"","scores":[{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83841","published_at":"2026-04-26T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83868","published_at":"2026-05-05T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83846","published_at":"2026-04-29T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83706","published_at":"2026-04-01T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.8372","published_at":"2026-04-02T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83734","published_at":"2026-04-04T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83737","published_at":"2026-04-07T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83761","published_at":"2026-04-08T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83767","published_at":"2026-04-09T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83783","published_at":"2026-04-11T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83777","published_at":"2026-04-12T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83773","published_at":"2026-04-13T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83806","published_at":"2026-04-16T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83808","published_at":"2026-04-21T12:55:00Z"},{"value":"0.02024","scoring_system":"epss","scoring_elements":"0.83833","published_at":"2026-04-24T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2018-17960"},{"reference_url":"https://ckeditor.com/blog/CKEditor-4.11-with-emoji-dropdown-and-auto-link-on-typing-released","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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://ckeditor.com/blog/CKEditor-4.11-with-emoji-dropdown-and-auto-link-on-typing-released"},{"reference_url":"https://ckeditor.com/blog/CKEditor-4.11-with-emoji-dropdown-and-auto-link-on-typing-released/","reference_id":"","reference_type":"","scores":[],"url":"https://ckeditor.com/blog/CKEditor-4.11-with-emoji-dropdown-and-auto-link-on-typing-released/"},{"reference_url":"https://ckeditor.com/cke4/release/CKEditor-4.11.0","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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://ckeditor.com/cke4/release/CKEditor-4.11.0"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17960","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17960"},{"reference_url":"https://typo3.org/security/advisory/typo3-core-sa-2018-005","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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://typo3.org/security/advisory/typo3-core-sa-2018-005"},{"reference_url":"https://web.archive.org/web/20200227030123/http://www.securityfocus.com/bid/109205","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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://web.archive.org/web/20200227030123/http://www.securityfocus.com/bid/109205"},{"reference_url":"https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html","reference_id":"","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.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://nvd.nist.gov/vuln/detail/CVE-2018-17960","reference_id":"CVE-2018-17960","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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-2018-17960"},{"reference_url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2018-17960.yaml","reference_id":"CVE-2018-17960.YAML","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2018-17960.yaml"},{"reference_url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2018-17960.yaml","reference_id":"CVE-2018-17960.YAML","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2018-17960.yaml"},{"reference_url":"https://github.com/advisories/GHSA-g68x-vvqq-pvw3","reference_id":"GHSA-g68x-vvqq-pvw3","reference_type":"","scores":[{"value":"6.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/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":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-g68x-vvqq-pvw3"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/1050246?format=json","purl":"pkg:deb/debian/ckeditor@4.11.1%2Bdfsg-1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-c8r2-wpf3-47f9"},{"vulnerability":"VCID-h5zz-wz8f-2uf6"},{"vulnerability":"VCID-s8u8-xbdk-87dj"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/ckeditor@4.11.1%252Bdfsg-1"}],"aliases":["CVE-2018-17960","GHSA-g68x-vvqq-pvw3"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-qb4j-9tz7-m7a2"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/46066?format=json","vulnerability_id":"VCID-s8u8-xbdk-87dj","summary":"ckeditor4 vulnerable to cross-site scripting\nA cross-site scripting (XSS) vulnerability in the HTML Data Processor in CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to inject executable JavaScript code through a crafted comment because `--!>` is mishandled.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-33829","reference_id":"","reference_type":"","scores":[{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97782","published_at":"2026-04-01T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97823","published_at":"2026-05-05T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.9782","published_at":"2026-04-29T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97813","published_at":"2026-04-21T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97814","published_at":"2026-04-26T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97812","published_at":"2026-04-24T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97806","published_at":"2026-04-13T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97797","published_at":"2026-04-08T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97793","published_at":"2026-04-07T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.9779","published_at":"2026-04-04T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97788","published_at":"2026-04-02T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97805","published_at":"2026-04-12T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.97803","published_at":"2026-04-11T12:55:00Z"},{"value":"0.49674","scoring_system":"epss","scoring_elements":"0.978","published_at":"2026-04-09T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-33829"},{"reference_url":"https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser","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":"generic_textual","scoring_elements":""}],"url":"https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33829","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33829"},{"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/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2021-33829.yaml","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/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2021-33829.yaml"},{"reference_url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2021-33829.yaml","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/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2021-33829.yaml"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00007.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":""}],"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":"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://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/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/","reference_id":"","reference_type":"","scores":[],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/mess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Preview plugin in CKEditor allows Cross-site scripting (XSS)\nCross-site scripting (XSS) vulnerability in the Preview plugin before 4.4.3 in CKEditor allows remote attackers to inject arbitrary web script or HTML via unspecified 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