{"id":"CVE-2025-26791","aliases":["GHSA-vhxf-7vqr-mrjg"],"url":"https://o3.security/vulnerability/CVE-2025-26791","summary":"DOMPurify allows Cross-site Scripting (XSS)","details":"DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).","published":"2025-02-14T00:00:00Z","modified":"2026-08-08T03:48:11.788795895Z","cvss":{"score":4.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"dompurify","fixedVersion":"3.2.4"}],"fix":{"url":"https://github.com/cure53/DOMPurify/commit/d18ffcb554e0001748865da03ac75dd7829f0f02","label":"cure53/DOMPurify@d18ffcb"},"references":[{"type":"WEB","url":"https://ensy.zip/posts/dompurify-323-bypass/"},{"type":"WEB","url":"https://github.com/cure53/DOMPurify/releases/tag/3.2.4"},{"type":"WEB","url":"https://nsysean.github.io/posts/dompurify-323-bypass/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/26xxx/CVE-2025-26791.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-26791"},{"type":"FIX","url":"https://github.com/cure53/DOMPurify/commit/d18ffcb554e0001748865da03ac75dd7829f0f02"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:48:11.788795895Z"}}