[ CVE-2026-113355 · Published 20 Oct 2026 ]
Vulnerability in chatwoot
CVSS 4.8
EPSS <1%No fix listed yet
[ Description ]Official description
Chatwoot before 4.14.0 contains a stored cross-site scripting vulnerability that allows account administrators to inject JavaScript by crafting video-embed links in Help Center articles. Attackers can use angle-bracket link destinations with double quotes to break out of the unescaped iframe src attribute in render_embed_from_match, executing scripts for public visitors and stealing cw_conversation widget tokens.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/chatwoot/chatwoot/blob/88ffa329eb6e18ae06b608d8b4bab96c0e1b8f44/lib/custom_m…
- github.com/chatwoot/chatwoot/commit/2192af80f405c70e3021191ff8b3f7e539c35e9d
- github.com/chatwoot/chatwoot/pull/14140
- github.com/chatwoot/chatwoot/releases/tag/v4.14.0
- www.vulncheck.com/advisories/chatwoot-before-4.14.0-stored-xss-via-help-center-video-em…