CVE-2025-4439

MediumCVSS 5.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
GitLab	GitLab	>= 15.10, < 18.0.5; >= 18.1, < 18.1.3; >= 18.2, < 18.2.1

References

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

Timeline

Published: Jul 23, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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