CVE-2025-6186 | THREATINT

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.

PUBLISHED Reserved 2025-06-16 | Published 2025-08-13 | Updated 2025-08-13 | Assigner GitLab

HIGH: 8.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status

unaffected

18.1 before 18.1.4

affected

18.2 before 18.2.2

affected

Credits

Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program finder

References

gitlab.com/gitlab-org/gitlab/-/issues/549844 (GitLab Issue #549844) issue-tracking permissions-required

hackerone.com/reports/3189522 (HackerOne Bug Bounty Report #3189522) technical-description exploit permissions-required

cve.org (CVE-2025-6186)

nvd.nist.gov (CVE-2025-6186)

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