{"id":"CVE-2026-113355","revision":"109d859f2a0049a685b2f2721d33abde","records":[{"revision":"109d859f2a0049a685b2f2721d33abde","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-113355","aliases":[],"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.","state":0,"publishedAt":"2026-10-20T10:41:40.212+00:00","modifiedAt":"2026-10-20T13:25:35.524+00:00","affected":[{"ecosystem":"Vendor product","name":"chatwoot","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"chatwoot\",\n                    \"product\": \"chatwoot\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.14.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/chatwoot/chatwoot\",\n                    \"repo\": \"https://github.com/chatwoot/chatwoot\"\n                }"}],"metrics":[{"system":"CVSS 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","score":4.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","score":4.8,"severity":"MEDIUM"}],"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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113355","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-113355","identifiers":["CVE-2026-113355"]},"retained":false,"historicalAffected":[]}],"coverage":[]}