{"id":"CVE-2025-12029","aliases":["BIT-gitlab-2025-12029","EUVD-2025-202667","GHSA-2jwx-73fx-pwrv"],"status":"published","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI.\"","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00547,"percentile":0.4633,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2025-12-11T07:32:16Z","modified":"2026-10-30T10:47:07Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["18.4.6","18.5.4","18.6.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"15.11.0"},{"fixed":"18.4.6"},{"introduced":"18.5.0"},{"fixed":"18.5.4"},{"introduced":"18.6.0"},{"fixed":"18.6.2"}]}]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/577975","tags":["issue-tracking","permissions-required","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/3317485","tags":["technical-description","exploit","permissions-required","Permissions Required","web","report"]},{"url":"https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/","tags":["Release Notes","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12029","tags":["web","advisory"]},{"url":"https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released"},{"url":"https://github.com/advisories/GHSA-2jwx-73fx-pwrv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12029.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-12029","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI.\"","status":"published","published":"2025-12-11T07:32:16.477Z","modified":"2026-02-26T16:21:04.107Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-202667","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI.\"","status":"published","published":"2025-12-11T07:32:16Z","modified":"2026-02-26T16:21:04Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T19:48:25.612568Z"}],"ghsa":[{"id":"GHSA-2jwx-73fx-pwrv","title":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6,...","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI.\"","status":"published","published":"2025-12-11T09:31:25Z","modified":"2025-12-11T09:31:26Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:09.214908Z"}],"nvd":[{"id":"CVE-2025-12029","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI.\"","status":"published","published":"2025-12-11T08:15:47.853Z","modified":"2026-10-14T21:10:00.183Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:49.861863Z"}],"osv":[{"id":"CVE-2025-12029","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI.\"","status":"published","published":"2025-12-11T07:32:16.477Z","modified":"2026-10-30T10:47:07.725177774Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:46.024537Z"},{"id":"BIT-gitlab-2025-12029","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI.\"","status":"published","published":"2025-12-18T12:04:20.332Z","modified":"2026-09-08T08:47:44.150735264Z","updated_at":"2026-11-02T15:28:30.70064Z"}]}}