Cross-site scripting in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-2254

 

Cross-site scripting in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-2254

Published: June 12, 2025


Vulnerability identifier: #VU111083
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-2254
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the snippet viewer. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2025-2254

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 17.10.8, 17.11.4, 18.0.2
GitLab Enterprise Edition - addressed in versions 17.10.8, 17.11.4, 18.0.2

External References

Related Security Bulletins