{"id":"CVE-2026-113355","title":"Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links","summary":"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 …","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-79"],"vendor":"chatwoot","product":"chatwoot","affected":["chatwoot < 4.14.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T13:25:21.650563Z"},"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T13:25:35.524Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113355","references":[{"url":"https://github.com/chatwoot/chatwoot/pull/14140"},{"url":"https://github.com/chatwoot/chatwoot/commit/2192af80f405c70e3021191ff8b3f7e539c35e9d"},{"url":"https://github.com/chatwoot/chatwoot/releases/tag/v4.14.0","label":"chatwoot v4.14.0 Release Notes"},{"url":"https://github.com/chatwoot/chatwoot/blob/88ffa329eb6e18ae06b608d8b4bab96c0e1b8f44/lib/custom_markdown_renderer.rb#L75-L84"},{"url":"https://www.vulncheck.com/advisories/chatwoot-before-4.14.0-stored-xss-via-help-center-video-embed-links","label":"VulnCheck Advisory: Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T12:05:07.324Z","slug":"CVE-2026-113355","body":"## Overview\n\nChatwoot 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.\n\n## Affected\n\n- `chatwoot < 4.14.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}