What is CVE-2025-2255?

CVE-2025-2255 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-2025-2255?

High severity. CVSS v3 base score is 8.7 out of 10.

XSS in Gitlab

CVE-2025-2255

An issue has been discovered in Gitlab EE/CE for AppSec affecting all versions from 13.5.0 before 17.8.6, 17.9 before 17.9.3, and 17.10 before 17.10.1. Certain error messages could allow Cross-Site Scripting attacks (XSS). for AppSec.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.3th percentile) — read the EPSS interpretation.

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.

Affected products

Gitlab — versions 17.10, 17.10.0, 13.5.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@gitlab.com (issue-tracking, Exploit, permissions-required, Issue Tracking)
cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)

Frequently asked questions

What is CVE-2025-2255?: CVE-2025-2255 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-2025-2255?: High severity. CVSS v3 base score is 8.7 out of 10.