{"id":"CVE-2022-21830","aliases":["GHSA-hf55-c445-2w97"],"url":"https://o3.security/vulnerability/CVE-2022-21830","summary":"Cross-site Scripting in @rocket.chat/livechat","details":"A blind self XSS vulnerability exists in RocketChat LiveChat <v1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.","published":"2022-04-01T22:17:01Z","modified":"2026-08-12T03:51:42.620866855Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"@rocket.chat/livechat","fixedVersion":"1.9.0"}],"fix":null,"references":[{"type":"WEB","url":"https://hackerone.com/reports/1091118"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21830.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21830"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:42.620866855Z"}}