{"id":"CVE-2026-89256","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-89256","summary":"AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the Bookmark plugin where chapter names are not encoded before…","details":"AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the Bookmark plugin where chapter names are not encoded before being concatenated into public watch-page HTML. A video owner can inject malicious scripts via the bookmark name parameter, and every visitor of that video executes the payload in the AVideo origin.","published":"2026-09-11T12:16:56.003","modified":"2026-09-11T20:19:23.217","cvss":{"score":8.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-jggq-mm5m-r5wv"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/avideo-bookmark-plugin-stored-xss-via-chapter-names"},{"type":"WEB","url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-jggq-mm5m-r5wv"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-11T20:19:23.217"}}