CVE-2026-89256 — AVideo Bookmark Plugin Stored XSS via Chapter Names
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the Bookmark plugin where chapter names are not encoded be…
Published: 2026-09-11 · CVSS: 9.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7