{"id":"CVE-2026-113355","state":"PUBLISHED","title":"Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links","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.","publishedAt":"2026-10-20T10:41:40.212Z","updatedAt":"2026-10-20T13:25:35.524Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["chatwoot chatwoot"],"affected":[{"vendor":"chatwoot","product":"chatwoot","packageURL":"pkg:github/chatwoot/chatwoot","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.14.0","versionType":"semver"}],"repo":"https://github.com/chatwoot/chatwoot"}],"references":["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"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/113xxx/CVE-2026-113355.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-113355","state":"PUBLISHED","datePublished":"2026-10-20T10:41:40.212Z","dateUpdated":"2026-10-20T13:25:35.524Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-20T01:07:47.081Z"},"containers":{"cna":{"title":"Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links","descriptions":[{"lang":"en","value":"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. 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