XSS in GitLab

CVE-2025-0811

An issue has been discovered in GitLab CE/EE affecting all versions from 17.7 before 17.8.6, 17.9 before 17.9.3, and 17.10 before 17.10.1. Improper rendering of certain file types leads to cross-site scripting.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-0811: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

  • GitLab — versions 17.7, 17.10, 17.10.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-0811?
CVE-2025-0811 is a high-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-03-27.
How severe is CVE-2025-0811?
High severity. CVSS v3 base score is 8.7 out of 10.