What’s Vulnerable › Vulnerabilities
CVE-2025-0555: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
- Severity: medium (CVSS 6.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-03-03 · updated 2026-06-17
- Weakness: CWE-79
Description
A Cross Site Scripting (XSS) vulnerability in GitLab-EE affecting all versions from 16.6 prior to 17.7.6, 17.8 prior to 17.8.4, and 17.9 prior to 17.9.1 allows an attacker to bypass security controls and execute arbitrary scripts in a users browser under specific conditions.
Affected products
- GitLab: from 16.6.0 before 17.7.6; from 17.8.0 before 17.8.4; 17.9.0 — fixed in 17.7.6, 17.8.4
How to fix
Upgrade to a fixed version: GitLab 17.7.6, 17.8.4. Check the vendor advisory for mitigations.
References
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