CVE-2025-4439 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

CVE-2025-4439

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
GitLab / GitLab	affected 15.10 before 18.0.5; affected 18.1 before 18.1.3; affected 18.2 before 18.2.1

CWE

CWE-79

References

https://gitlab.com/gitlab-org/gitlab/-/issues/541177
https://hackerone.com/reports/3120111

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.