CVE-2025-2255: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
An issue has been discovered in Gitlab EE/CE 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). This is a high severity issue (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N, 8.7). It is now mitigated in the latest release and is assigned CVE-2025-2255.
Other sources
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.
— MITRE
Affected Software
Remediation
Information
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-2255?
CVE-2025-2255 is classified as a Cross-Site Scripting (XSS) vulnerability affecting GitLab EE/CE.
How do I fix CVE-2025-2255?
To fix CVE-2025-2255, upgrade to GitLab EE/CE versions 17.8.6, 17.9.3, or 17.10.1 or later.
Which versions are affected by CVE-2025-2255?
CVE-2025-2255 affects all GitLab EE/CE versions from 13.5.0 up to 17.8.6, 17.9 up to 17.9.3, and 17.10 up to 17.10.1.
What type of attacks can CVE-2025-2255 facilitate?
CVE-2025-2255 can facilitate Cross-Site Scripting (XSS) attacks through certain error messages.
Is CVE-2025-2255 present in the latest versions of GitLab?
No, CVE-2025-2255 has been resolved in GitLab EE/CE versions 17.8.6, 17.9.3, and 17.10.1 or later.