{"apiVersion":"1.0","identifier":"CVE-2026-65644","description":"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.","publishedAt":"2026-08-21T04:18:13","lastModifiedAt":"2026-08-27T20:18:22","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-65644","cvssScore":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","epssProbability":0.00298,"riskScore":0.77,"affectedProduct":"Rocket.Chat","affectedVersions":"<8.8.0,<8.7.1,<8.6.2,<8.5.3,<8.4.6,<8.3.8,<8.2.8,<8.1.8,<7.10.15","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-65644","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-65644","en":"https://www.redsauce.net/en/cves/CVE-2026-65644","fr":"https://www.redsauce.net/fr/cves/CVE-2026-65644","pt":"https://www.redsauce.net/pt/cves/CVE-2026-65644","de":"https://www.redsauce.net/de/cves/CVE-2026-65644","sk":"https://www.redsauce.net/sk/cves/CVE-2026-65644","el":"https://www.redsauce.net/el/cves/CVE-2026-65644"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-65644"}}