What is CVE-2025-2443?

CVE-2025-2443 is a high-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-06-20.

How severe is CVE-2025-2443?

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

XSS in Gitlab

CVE-2025-2443

An issue has been discovered in GitLab EE that allows for cross-site-scripting attack and content security policy bypass in a user's browser under specific conditions, affecting all versions from 16.6 before 17.9.7, 17.10 before 17.10.5, and 17.11 before 17.11.1.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (25.4th 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 17.11.0, 17.11, 17.10

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@gitlab.com (issue-tracking, permissions-required, Broken Link)
cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)

Frequently asked questions

What is CVE-2025-2443?: CVE-2025-2443 is a high-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-06-20.
How severe is CVE-2025-2443?: High severity. CVSS v3 base score is 8.7 out of 10.