CVE-2025-4439 (GCVE-0-2025-4439)
Vulnerability from cvelistv5
Published
2025-07-23 18:09
Modified
2026-02-26 17:50
Severity ?
7.7 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
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.
References
https://gitlab.com/gitlab-org/gitlab/-/issues/541177 issue-tracking, permissions-required
https://hackerone.com/reports/3120111 technical-description, exploit, permissions-required
Impacted products
Vendor Product Version
GitLab GitLab Version: 15.10   ≤
Version: 18.1   ≤
Version: 18.2   ≤
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
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                "id": "CVE-2025-4439",
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                "role": "CISA Coordinator",
                "timestamp": "2025-07-25T03:55:24.387871Z",
                "version": "2.0.3"
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    "dateReserved": "2025-05-08T16:30:53.181Z",
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