XSS in GitLab

CVE-2025-0475

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 prior to 17.7.6, 17.8 prior to 17.8.4, and 17.9 prior to 17.9.1. A proxy feature could potentially allow unintended content rendering leading to XSS under specific circumstances.

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: 0.005 (40.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.1% 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-2025-0475: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

  • GitLab — versions 17.8, 17.9.0, 15.10

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-0475?
CVE-2025-0475 is a high-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-03-03.
How severe is CVE-2025-0475?
High severity. CVSS v3 base score is 8.7 out of 10.
Is CVE-2025-0475 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.