CVE-2025-13761

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an unauthenticated user to execute arbitrary code in the context of an authenticated user's browser by convincing the legitimate user to visit a specially crafted webpage.

Affected

GitLab

CVSS v3.1 NVD

9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS v3.1 CNA

8.0 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

EPSS

0.70% chance of exploitation in the next 30 days, 52nd percentile

Published

2026-01-09

Updated

2026-07-15

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3441368

Security advisories

• https://about.gitlab.com/releases/2026/01/07/patch-release-gitlab-18-7-1-released

References

• CVE Record
• NVD entry