{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-65644","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","state":"PUBLISHED","assignerShortName":"hackerone","dateReserved":"2026-07-22T15:00:06.103Z","datePublished":"2026-08-21T02:53:43.406Z","dateUpdated":"2026-08-27T19:19:36.705Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Rocket.Chat in versions before 8.8.0, 8.7.1, 8.6.2, 8.5.3, 8.4.6, 8.3.8, 8.2.8, 8.1.8, and 7.10.15 has a REST API endpoint POST /api/v1/livechat/visitor that accepts an unauthenticated, unsanitized name field for Livechat visitors. This name is stored raw and later rendered via dangerouslySetInnerHTML in the Omnichannel Queue side panel (InquireSidePanelItem.tsx), injecting a real, clickable HTML link - pointing to any attacker-controlled domain, with arbitrary social-engineering text - into the DOM of any agent viewing the queue."}],"affected":[{"defaultStatus":"unaffected","vendor":"Rocket.Chat","product":"Rocket.Chat","versions":[{"version":"0","status":"affected","lessThan":"8.8.0","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.7.1","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.6.2","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.5.3","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.4.6","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.3.8","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.2.8","versionType":"semver"},{"version":"0","status":"affected","lessThan":"8.1.8","versionType":"semver"},{"version":"0","status":"affected","lessThan":"7.10.15","versionType":"semver"}]}],"references":[{"url":"https://hackerone.com/reports/3872858"},{"url":"https://github.com/RocketChat/Rocket.Chat/pull/41595"}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","cweId":"CWE-79","description":"CWE-79 Cross-site Scripting (XSS) - DOM"}]}],"credits":[{"lang":"en","value":"Hill N (hillng)","type":"finder"}],"providerMetadata":{"orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","shortName":"hackerone","dateUpdated":"2026-08-21T02:53:43.406Z"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T19:19:28.284092Z","id":"CVE-2026-65644","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-27T19:19:36.705Z"}}]}}