Lookup for vulnerable packages by Package URL.

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{
    "url": "http://public2.vulnerablecode.io/api/packages/286332?format=api",
    "purl": "pkg:npm/ckeditor@4.12.1",
    "type": "npm",
    "namespace": "",
    "name": "ckeditor",
    "version": "4.12.1",
    "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/44703?format=api",
            "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": [],
            "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=api",
            "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/79593?format=api",
                    "purl": "pkg:npm/ckeditor@4.16.0",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor@4.16.0"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/61015?format=api",
                    "purl": "pkg:npm/ckeditor@4.18.0",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor@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/42695?format=api",
            "vulnerability_id": "VCID-fm9y-ujc1-qbaq",
            "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 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": ""
                        },
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            "summary": "Inclusion of Functionality from Untrusted Control Sphere in CKEditor 4\nIt was possible to execute a ReDoS-type attack inside CKEditor 4 before\n4.16 by persuading a victim to paste crafted URL-like text into the editor, and\nthen press Enter or Space (in the Autolink plugin).",
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