{"id":"CVE-2021-36150","aliases":["BIT-silverstripe-2021-36150","GHSA-j66h-cc96-c32q"],"url":"https://o3.security/vulnerability/CVE-2021-36150","summary":"Cross-site Scripting in SilverStripe Framework","details":"SilverStripe Framework through 4.8.1 allows XSS.","published":"2021-10-07T14:15:08.160Z","modified":"2026-08-07T11:31:27.475566075Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00853,"percentile":0.55099,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"silverstripe/admin","fixedVersion":"1.8.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/silverstripe/silverstripe-framework/releases"},{"type":"ADVISORY","url":"https://www.silverstripe.org/download/security-releases/CVE-2021-36150"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36150"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/admin/CVE-2021-36150.yaml"},{"type":"PACKAGE","url":"https://github.com/silverstripe/silverstripe-framework"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:27.475566075Z"}}