{"id":"CVE-2025-6186","summary":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","details":"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.","aliases":["BIT-gitlab-2025-6186"],"modified":"2026-04-10T05:32:48.487418Z","published":"2025-08-13T17:26:35.507Z","related":["CGA-mmgg-8pvv-vch3"],"database_specific":{"cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6186.json","cna_assigner":"GitLab"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6186.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6186"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/549844"},{"type":"REPORT","url":"https://hackerone.com/reports/3189522"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"e0f3b86408aa4e7f03b63ac9e7dba6de1df14e93"},{"fixed":"693bb5e6ca55d16970747e6a3157ab801608b758"}],"database_specific":{"versions":[{"introduced":"18.1"},{"fixed":"18.1.4"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"64403a0daee4413eb45b939590f37c351b8e72bf"},{"fixed":"bef324d0853760755341c3ea7ca9469e4d962377"}],"database_specific":{"versions":[{"introduced":"18.2"},{"fixed":"18.2.2"}]}}],"versions":["v18.1.0-ee","v18.2.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6186.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"}]}