CVE-2025-2255

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

Description

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.

Remediation

Solution:

  • Upgrade to versions 17.8.6, 17.9.3, 17.10.1 or above.

Category

8.7
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/524635 issue tracking permissions required
https://hackerone.com/reports/2994150 exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2025-2255?
CVE-2025-2255 has been scored as a high severity vulnerability.
How to fix CVE-2025-2255?
To fix CVE-2025-2255: Upgrade to versions 17.8.6, 17.9.3, 17.10.1 or above.
Is CVE-2025-2255 being actively exploited in the wild?
It is possible that CVE-2025-2255 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-2255?
CVE-2025-2255 affects GitLab GitLab.
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