CVE-2025-4439NVD

Vulnerability 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.

Severity Level

HIGH(7.7)

Published Date

Jul 23, 2025

Last Modified

Aug 8, 2025

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-79: Cross-site Scripting (XSS) ↗

The software does not neutralize user-controllable input before it is placed in output that is used as a web page.

CVSS v3.1 Base Metrics — Score 7.7 (HIGH)

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

Affected & Patched Versions

Affected Versions

Gitlab Gitlab >= 15.10.0 and < 18.0.5
Gitlab Gitlab >= 18.1.0 and < 18.1.3
Gitlab Gitlab

Patched Versions

Gitlab Gitlab 18.0.5
Gitlab Gitlab 18.1.3

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