GitLab CE/EE <18.2.7, <18.3.3, <18.4.1 - XSS/Code Injection Leads to Takeover
CVE-2025-9642 Published on September 26, 2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
An issue has been discovered in GitLab CE/EE affecting all versions from 14.10 before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1 that could allow an attacker to inject malicious content that may lead to account takeover.
Vulnerability Analysis
CVE-2025-9642 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2025-9642 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2025-9642
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Affected Versions
GitLab:- Version 14.10 and below 18.2.7 is affected.
- Version 18.3 and below 18.3.3 is affected.
- Version 18.4 and below 18.4.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.