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High severity7.7NVD Advisory· Published Jul 23, 2025· Updated Jun 17, 2026

CVE-2025-4439

CVE-2025-4439

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.

Affected products

7
  • GitLab Inc./GitLabv55 versions
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 15.10
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=15.10.0,<18.0.5
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=15.10.0,<18.0.5
    • cpe:2.3:a:gitlab:gitlab:18.2:*:*:*:community:*:*:*
    • cpe:2.3:a:gitlab:gitlab:18.2:*:*:*:enterprise:*:*:*
  • GitLab Inc./GitLab EE and CEllm-fuzzy
    Range: from 15.10 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1
  • osv-coords
    pkg:bitnami/gitlab
    Range: >= 15.10.0, < 18.0.5

Patches

Vulnerability mechanics

References

2

News mentions

1