CVE-2025-12734

LOW EPSS 13.2%
Published Dec 11, 20256mo ago · Modified Jun 17, 20262w ago
3.5 CVSS 3.1
Low
Find Similar
Published Dec 11, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
3.5
Exploitability
2.1
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
13.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-116

Affected Products 6

VendorProductVersionRange
gitlabgitlab*≥15.6.0  –  <18.4.6
gitlabgitlab*≥15.6.0  –  <18.4.6
gitlabgitlab*≥18.5.0  –  <18.5.4
gitlabgitlab*≥18.5.0  –  <18.5.4
gitlabgitlab*≥18.6.0  –  <18.6.2
gitlabgitlab*≥18.6.0  –  <18.6.2

References 3

  • about.gitlab.com https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/
    Release NotesVendor Advisory
  • gitlab.com https://gitlab.com/gitlab-org/gitlab/-/issues/579573
    Broken Link
  • hackerone.com https://hackerone.com/reports/3379381
    Permissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.