{"id":"CVE-2022-37421","aliases":["BIT-silverstripe-2022-37421","GHSA-pp74-g2q5-j4jf"],"url":"https://o3.security/vulnerability/CVE-2022-37421","summary":"Silverstipe CMS Stored XSS in custom meta tags","details":"A malicious content author could create a custom meta tag and execute an arbitrary JavaScript payload. This would require convincing a legitimate user to access a page and enter a custom keyboard shortcut.\nThis requires CMS access to exploit.","published":"2022-11-23T00:00:00Z","modified":"2026-08-12T03:51:22.604062919Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"silverstripe/cms","fixedVersion":"4.11.3"}],"fix":null,"references":[{"type":"WEB","url":"https://forum.silverstripe.org/c/releases"},{"type":"WEB","url":"https://www.silverstripe.org/download/security-releases/"},{"type":"WEB","url":"https://www.silverstripe.org/download/security-releases/CVE-2022-37421"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/37xxx/CVE-2022-37421.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-37421"},{"type":"ARTICLE","url":"https://www.silverstripe.org/blog/tag/release"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/cms/CVE-2022-37421.yaml"},{"type":"WEB","url":"https://www.silverstripe.org/download/security-releases"},{"type":"WEB","url":"https://www.silverstripe.org/download/security-releases/cve-2022-37421"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:22.604062919Z"}}