MEDIUM 4.8 NVD
CVE-2026-113355
Chatwoot before 4.14.0 contains a stored cross-site scripting vulnerability that allows account administrators to inject JavaScript by crafting video-embed link
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.
References
- https://github.com/chatwoot/chatwoot/blob/88ffa329eb6e18ae06b608d8b4bab96c0e1b8f44/lib/cus
- https://github.com/chatwoot/chatwoot/commit/2192af80f405c70e3021191ff8b3f7e539c35e9d
- https://github.com/chatwoot/chatwoot/pull/14140
- https://github.com/chatwoot/chatwoot/releases/tag/v4.14.0
- https://www.vulncheck.com/advisories/chatwoot-before-4.14.0-stored-xss-via-help-center-vid
This medium severity vulnerability with a CVSS score of 4.8 was published on 2026-10-20 via NVD.
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