{"schema":"threatline.record/2","record":{"id":"CVE-2026-113355","aliases":[],"summary":"Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links","details":"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.","categories":["Unclassified"],"product":"chatwoot","vendor":"chatwoot","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113355","source_modified_at":"2026-10-20T13:25:35.524Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"chatwoot","vendor":"chatwoot","versions":[{"version":"0","lessThan":"4.14.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113355","source_modified_at":"2026-10-20T13:25:35.524Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"chatwoot","ecosystem":null},"version":"4.14.0","basis":"first unaffected version stated in the CVE record"}],"cvss":4.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00229,"percentile":0.12996,"score_date":"2026-10-23"},"published_at":"2026-10-20T10:41:40.212Z","modified_at":"2026-10-20T13:25:35.524Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-113355","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T13:25:35.524Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-113355","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/chatwoot/chatwoot/pull/14140","tags":["patch","issue-tracking"]},{"source":"CVE List","url":"https://github.com/chatwoot/chatwoot/commit/2192af80f405c70e3021191ff8b3f7e539c35e9d","tags":["patch"]},{"source":"CVE List","url":"https://github.com/chatwoot/chatwoot/releases/tag/v4.14.0","tags":["release-notes"]},{"source":"CVE List","url":"https://github.com/chatwoot/chatwoot/blob/88ffa329eb6e18ae06b608d8b4bab96c0e1b8f44/lib/custom_markdown_renderer.rb#L75-L84","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/chatwoot-before-4.14.0-stored-xss-via-help-center-video-embed-links","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T13:25:21.650563Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T13:25:35.524Z","content_hash":"f08454040fb25392ecc0d1a5957ea85318400bd638aff18e4ea544910ef05e5f"}}