CVE-2025-4439

MEDIUM EPSS 14.4%
Published Jul 23, 202511mo ago · Modified Jun 17, 20262w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Jul 23, 2025 11mo ago
Last Modified Jun 17, 2026 2w ago

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that could have allowed an authenticated user to perform cross-site scripting attacks when the instance is served through certain content delivery networks.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
14.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 6

VendorProductVersionRange
gitlabgitlab*≥15.10.0  –  <18.0.5
gitlabgitlab*≥15.10.0  –  <18.0.5
gitlabgitlab*≥18.1.0  –  <18.1.3
gitlabgitlab*≥18.1.0  –  <18.1.3
gitlabgitlab18.2any
gitlabgitlab18.2any

References 2

  • gitlab.com https://gitlab.com/gitlab-org/gitlab/-/issues/541177
    Broken Link
  • hackerone.com https://hackerone.com/reports/3120111
    Permissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.