CVEvulnerability
CVE-2025-12734
3.5 LOW
Official page ↗
- Status
- Analyzed
- Published
- 2025-12-11
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.5 LOW — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-116
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.6 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to, under certain conditions, render content in dialogs to other users by injecting malicious HTML content into merge request titles.
Affected configurations
• gitlab gitlab (>= 15.6.0 < 18.4.6)
• gitlab gitlab (>= 18.5.0 < 18.5.4)
• gitlab gitlab (>= 18.6.0 < 18.6.2)
Related
Weakness · CWE (1)
- CWE-116 Improper Encoding or Escaping of Output weakness
References
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/579573 Broken Link
- https://hackerone.com/reports/3379381 Permissions Required