{"id":"CVE-2023-5933","aliases":["BIT-gitlab-2023-5933","EUVD-2023-58205","GHSA-84m5-rqxq-483p","UBUNTU-CVE-2023-5933"],"status":"published","title":"Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00677,"percentile":0.52619,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79","CWE-80"],"published":"2024-01-26T01:02:58Z","modified":"2026-10-30T10:46:41Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["16.6.6","16.7.4","16.8.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"13.7.0"},{"fixed":"16.6.6"},{"introduced":"16.7.0"},{"fixed":"16.7.4"},{"introduced":"16.8.0"},{"fixed":"16.8.1"}]}]},{"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://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released/","tags":["x_transferred","Vendor Advisory","advisory","web","report"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/430236","tags":["issue-tracking","permissions-required","x_transferred","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/2225710","tags":["technical-description","exploit","permissions-required","x_transferred","Permissions Required","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5933","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-84m5-rqxq-483p"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5933.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2023-5933","tags":["report"]},{"url":"https://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-5933","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-5933","title":"Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.","status":"published","published":"2024-01-26T01:02:58.931Z","modified":"2026-04-25T04:05:38.198Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-58205","description":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.","status":"published","published":"2024-01-26T01:02:58Z","modified":"2026-04-25T04:05:38Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:18.224827Z"}],"ghsa":[{"id":"GHSA-84m5-rqxq-483p","title":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16...","description":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.","status":"published","published":"2024-01-26T03:30:19Z","modified":"2024-02-09T05:12:19Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-79","CWE-80"],"updated_at":"2026-11-02T14:55:35.197353Z"}],"nvd":[{"id":"CVE-2023-5933","description":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.","status":"published","published":"2024-01-26T01:15:08.66Z","modified":"2026-06-17T06:49:41.567Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/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"}],"cwes":["CWE-80","CWE-79"],"updated_at":"2026-11-02T14:09:01.900189Z"}],"osv":[{"id":"CVE-2023-5933","title":"Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.","status":"published","published":"2024-01-26T01:02:58.931Z","modified":"2026-10-30T10:46:41.440459906Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T15:44:36.851042Z"},{"id":"UBUNTU-CVE-2023-5933","description":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.","status":"published","published":"2024-01-26T01:15:00Z","modified":"2025-10-24T05:01:37Z","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"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:41.555387Z"},{"id":"BIT-gitlab-2023-5933","title":"Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.","status":"published","published":"2024-03-06T10:55:55.788Z","modified":"2026-09-10T16:01:36.733912921Z","updated_at":"2026-11-02T15:28:30.405543Z"}]}}