CVE-2025-12716 | THREATINT

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by creating wiki pages with malicious content.

PUBLISHED Reserved 2025-11-04 | Published 2025-12-11 | Updated 2025-12-12 | 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

18.4 (semver) before 18.4.6

affected

18.5 (semver) before 18.5.4

affected

18.6 (semver) before 18.6.2

affected

Credits

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

References

gitlab.com/gitlab-org/gitlab/-/issues/579548 (GitLab Issue #579548) issue-tracking permissions-required

hackerone.com/reports/3405832 (HackerOne Bug Bounty Report #3405832) technical-description exploit permissions-required

about.gitlab.com/...10/patch-release-gitlab-18-6-2-released/

cve.org (CVE-2025-12716)

nvd.nist.gov (CVE-2025-12716)

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