All vulnerabilities

Servers and applications

CVE-2025-4439

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.

Severity
Medium 5.4
Published
23 Jul 2025
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.0.5, 18.1.3
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 15.10.0 before 18.0.5
  • From 18.1.0 before 18.1.3
  • Version 18.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-4439
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-4439