CVE-2025-12029
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
8.0
HIGH
CVSS 3.1
EPSS 0.11%
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have, under certain circumstances, allowed an unauthenticated user to perform unauthorized actions on behalf of another user by injecting malicious external scripts into the Swagger UI."
How to fix CVE-2025-12029
To remediate CVE-2025-12029, upgrade the affected package to a fixed version below.
- —upgrade to 18.4.6 or later
Is CVE-2025-12029 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 15.11.0, < 18.4.6, >= 18.5.0, < 18.5.4, >= 18.6.0, < 18.6.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N |