{"id":"CVE-2021-22196","aliases":["BIT-gitlab-2021-22196","EUVD-2021-9342","GHSA-2mw4-5fh2-j3wh","UBUNTU-CVE-2021-22196"],"status":"published","title":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was...","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00939,"percentile":0.61175,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-04-02T16:14:37Z","modified":"2026-10-30T10:30:37Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["13.8.7","13.9.5","13.10.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"13.4.0"},{"fixed":"13.8.7"},{"introduced":"13.9.0"},{"fixed":"13.9.5"},{"introduced":"13.10.0"},{"fixed":"13.10.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/254710","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/977697","tags":["x_refsource_MISC","x_transferred","Permissions Required","Third Party Advisory","advisory","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22196.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22196","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2mw4-5fh2-j3wh"},{"url":"https://ubuntu.com/security/CVE-2021-22196","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-22196","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-22196","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. 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It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.","status":"published","published":"2022-05-24T17:46:24Z","modified":"2024-08-21T15:30:48Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:58:01.859506Z"}],"nvd":[{"id":"CVE-2021-22196","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.","status":"published","published":"2021-04-02T17:15:12.583Z","modified":"2026-06-17T03:36:46.973Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:51.197859Z"}],"osv":[{"id":"CVE-2021-22196","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. 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