What’s Vulnerable › Vulnerabilities
CVE-2025-2254: 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: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-06-12 · updated 2026-06-17
- Weakness: CWE-79
Description
An issue has been discovered in GitLab CE/EE affecting all versions from 17.9 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Improper output encoding in the snipper viewer functionality lead to Cross-Site scripting attacks.
Affected products
- GitLab: from 17.9.0 before 17.10.8; from 17.11.0 before 17.11.4; from 18.0.0 before 18.0.2 — fixed in 17.10.8, 17.11.4, 18.0.2
How to fix
Upgrade to a fixed version: GitLab 17.10.8, 17.11.4, 18.0.2. Check the vendor advisory for mitigations.
References
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