CVE-2026-113355
CVE-2026-113355 · Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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.
CVSS 4.8 · Media · EPSS 0,2% · Corrección disponible
- Publicación
- Actualización
Productos y versiones afectados
chatwoot
- Versiones
- ≥ 0, < 4.14.0: Afectada (semver)
Actualiza a 4.14.0
Fuentes originales
- https://github.com/chatwoot/chatwoot/pull/14140
- https://github.com/chatwoot/chatwoot/commit/2192af80f405c70e3021191ff8b3f7e539c35e9d
- https://github.com/chatwoot/chatwoot/releases/tag/v4.14.0
- https://github.com/chatwoot/chatwoot/blob/88ffa329eb6e18ae06b608d8b4bab96c0e1b8f44/lib/custom_markdown_renderer.rb#L75-L84
- https://www.vulncheck.com/advisories/chatwoot-before-4.14.0-stored-xss-via-help-center-video-embed-links
- https://nvd.nist.gov/vuln/detail/CVE-2026-113355