Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/234994?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/234994?format=api", "vulnerability_id": "VCID-5ka8-rxmr-ubcu", "summary": "A cross-site scripting (XSS) vulnerability in the WSC plugin through 5.5.7.5 for CKEditor 4 allows remote attackers to run arbitrary web script inside an IFRAME element by injecting a crafted HTML element into the editor.", "aliases": [ { "alias": "CVE-2020-9440" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/33297?format=api", "purl": "pkg:npm/ckeditor4@4.13.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-17pr-6guy-53ge" }, { "vulnerability": "VCID-4x92-vapt-n7dz" }, { "vulnerability": "VCID-8hvk-a5es-v3e4" }, { "vulnerability": "VCID-c8r2-wpf3-47f9" }, { "vulnerability": "VCID-cjwn-p59n-8ygs" }, { "vulnerability": "VCID-h5zz-wz8f-2uf6" }, { "vulnerability": "VCID-h8tt-ky69-fuch" }, { "vulnerability": "VCID-k7qp-c6vp-sqbg" }, { "vulnerability": "VCID-nj3a-eb59-jygs" }, { "vulnerability": "VCID-sd2a-hmu2-wbax" }, { "vulnerability": "VCID-un66-k85j-b7d2" }, { "vulnerability": "VCID-uw7w-utew-ufb2" }, { "vulnerability": "VCID-vc97-xds1-67gu" }, { "vulnerability": "VCID-vj35-jtgq-8qbv" }, { "vulnerability": "VCID-xhp7-kqdk-tfeu" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.13.0" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/33296?format=api", "purl": "pkg:npm/ckeditor4@4.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ka8-rxmr-ubcu" }, { "vulnerability": "VCID-8hvk-a5es-v3e4" }, { "vulnerability": "VCID-c8r2-wpf3-47f9" }, { "vulnerability": "VCID-h5zz-wz8f-2uf6" }, { "vulnerability": "VCID-k7qp-c6vp-sqbg" }, { "vulnerability": "VCID-nj3a-eb59-jygs" }, { "vulnerability": "VCID-qb4j-9tz7-m7a2" }, { "vulnerability": "VCID-un66-k85j-b7d2" }, { "vulnerability": "VCID-xhp7-kqdk-tfeu" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/ckeditor4@4.0.0" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2020-9440", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65501", "published_at": "2026-05-14T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65444", "published_at": "2026-05-12T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65244", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65294", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.6532", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65284", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65336", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65348", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65367", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65354", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65326", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65363", "published_at": "2026-05-05T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65374", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65359", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65376", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65388", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65384", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.6541", "published_at": "2026-05-07T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65454", "published_at": "2026-05-09T12:55:00Z" }, { "value": "0.00485", "scoring_system": "epss", "scoring_elements": "0.65424", "published_at": "2026-05-11T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2020-9440" }, { "reference_url": "https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/#security-issues-fixed", "reference_id": "", "reference_type": "", "scores": [], "url": "https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/#security-issues-fixed" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OJ4BSS3VEAEXPNSOOUAXX6RDNECGZNO/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OJ4BSS3VEAEXPNSOOUAXX6RDNECGZNO/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L322YA73LCV3TO7ORY45WQDAFJVNKXBE/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L322YA73LCV3TO7ORY45WQDAFJVNKXBE/" }, { "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4HHYQ6N452XTCIROFMJOTYEUWSB6FR4/", "reference_id": "", "reference_type": "", "scores": [], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4HHYQ6N452XTCIROFMJOTYEUWSB6FR4/" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ckeditor:ckeditor:4.0:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:a:ckeditor:ckeditor:4.0:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ckeditor:ckeditor:4.0:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:webspellchecker:webspellchecker:*:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:a:webspellchecker:webspellchecker:*:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:webspellchecker:webspellchecker:*:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "reference_id": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "reference_type": "", "scores": [], "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9440", "reference_id": "CVE-2020-9440", "reference_type": "", "scores": [ { "value": "4.3", "scoring_system": "cvssv2", "scoring_elements": "AV:N/AC:M/Au:N/C:N/I:P/A:N" }, { "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" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9440" } ], "weaknesses": [ { "cwe_id": 79, "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "description": "The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." } ], "exploits": [], "severity_range_score": "4.3 - 6.1", "exploitability": "0.5", "weighted_severity": "5.5", "risk_score": 2.8, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-5ka8-rxmr-ubcu" }