{"id":"CVE-2025-6186","aliases":["BIT-gitlab-2025-6186","EUVD-2025-24600","GHSA-h6qj-3xrq-vxh8","UBUNTU-CVE-2025-6186"],"status":"published","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.","severity":{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00319,"percentile":0.25149,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2025-08-13T17:26:35Z","modified":"2026-10-30T10:47:16Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["18.1.4","18.2.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"18.1.0"},{"fixed":"18.1.4"},{"introduced":"18.2.0"},{"fixed":"18.2.2"}]}]},{"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/549844","tags":["issue-tracking","permissions-required","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/3189522","tags":["technical-description","exploit","permissions-required","Permissions Required","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6186","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-h6qj-3xrq-vxh8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6186.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-6186","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-6186","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-6186","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.","status":"published","published":"2025-08-13T17:26:35.507Z","modified":"2025-08-13T20:36:52.358Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:40.419293Z"}],"euvd":[{"id":"EUVD-2025-24600","description":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.","status":"published","published":"2025-08-13T17:26:35Z","modified":"2025-08-13T20:36:52Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T20:31:57.953552Z"}],"ghsa":[{"id":"GHSA-h6qj-3xrq-vxh8","title":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and...","description":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.","status":"published","published":"2025-08-13T18:31:25Z","modified":"2025-08-13T18:31:32Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:03:16.715076Z"}],"nvd":[{"id":"CVE-2025-6186","description":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.","status":"published","published":"2025-08-13T18:15:32.533Z","modified":"2026-06-17T10:01:20.76Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high","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-79"],"updated_at":"2026-11-02T14:11:23.594522Z"}],"osv":[{"id":"CVE-2025-6186","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.","status":"published","published":"2025-08-13T17:26:35.507Z","modified":"2026-10-30T10:47:16.435233304Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:51.516975Z"},{"id":"UBUNTU-CVE-2025-6186","description":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.","status":"published","published":"2025-08-13T18:15:00Z","modified":"2025-10-24T05:16:33Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","level":"high"},{"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"}],"updated_at":"2026-11-02T16:55:50.817402Z"},{"id":"BIT-gitlab-2025-6186","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.","status":"published","published":"2025-08-18T08:34:27.752Z","modified":"2026-09-10T16:01:38.814232632Z","updated_at":"2026-11-02T15:28:30.70064Z"}]}}