{"id":"CVE-2022-21830","aliases":["EUVD-2022-1759","GHSA-hf55-c445-2w97"],"status":"published","title":"Cross-site Scripting in @rocket.chat/livechat","description":"A blind self XSS vulnerability exists in RocketChat LiveChat \u003cv1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0077,"percentile":0.55932,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2022-04-01T22:17:01Z","modified":"2026-10-28T02:30:46Z","fixes":[{"ecosystem":"npm","package":"@rocket.chat/livechat","fixed_in":["1.9.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@rocket.chat/livechat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.0"}]}]},{"source":"osv","ecosystem":"npm","package":"@rocket.chat/livechat","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.9.0"}]}]}],"products":[{"vendor":"rocket.chat","product":"livechat"}],"references":[{"url":"https://hackerone.com/reports/1091118","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21830","tags":["advisory"]},{"url":"https://github.com/RocketChat/Rocket.Chat.Livechat/pull/558","tags":["web"]},{"url":"https://github.com/RocketChat/Rocket.Chat.Livechat/releases/tag/v1.9.0","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hf55-c445-2w97"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21830.json","tags":["advisory"]},{"url":"https://github.com/RocketChat/Rocket.Chat.Livechat","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-21830","description":"A blind self XSS vulnerability exists in RocketChat LiveChat \u003cv1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.","status":"published","published":"2022-04-01T22:17:01Z","modified":"2024-08-03T02:53:36.288Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:29.057251Z"}],"euvd":[{"id":"EUVD-2022-1759","description":"A blind self XSS vulnerability exists in RocketChat LiveChat \u003cv1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.","status":"published","published":"2022-04-01T22:17:01Z","modified":"2024-08-03T02:53:36Z","updated_at":"2026-11-03T03:25:54.006451Z"}],"ghsa":[{"id":"GHSA-hf55-c445-2w97","title":"Cross-site Scripting in @rocket.chat/livechat","description":"A blind self XSS vulnerability exists in RocketChat LiveChat versions lower than 1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.","status":"published","published":"2022-04-03T00:01:00Z","modified":"2023-01-27T05:01:17Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:36:16.28305Z"}],"nvd":[{"id":"CVE-2022-21830","description":"A blind self XSS vulnerability exists in RocketChat LiveChat \u003cv1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.","status":"published","published":"2022-04-01T23:15:13.043Z","modified":"2026-06-17T04:27:03.86Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:14.706146Z"}],"osv":[{"id":"GHSA-hf55-c445-2w97","title":"Cross-site Scripting in @rocket.chat/livechat","description":"A blind self XSS vulnerability exists in RocketChat LiveChat versions lower than 1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.","status":"published","published":"2022-04-03T00:01:00Z","modified":"2023-11-08T04:08:10.998921Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:48.920784Z"},{"id":"CVE-2022-21830","description":"A blind self XSS vulnerability exists in RocketChat LiveChat \u003cv1.9 that could allow an attacker to trick a victim pasting malicious code in their chat instance.","status":"published","published":"2022-04-01T22:17:01Z","modified":"2026-10-28T02:30:46.766730468Z","cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:24.061177Z"}]}}