Cross-site scripting in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2023-5933

 

Cross-site scripting in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2023-5933

Published: January 26, 2024


Vulnerability identifier: #VU85818
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2023-5933
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the user name. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

GitLab Enterprise Edition
Gitlab Community Edition

How to mitigate CVE-2023-5933

Install updates from vendor's website.

GitLab Enterprise Edition - addressed in versions 16.5.8, 16.6.6, 16.7.4, 16.8.1
Gitlab Community Edition - addressed in versions 16.5.8, 16.6.6, 16.7.4, 16.8.1

External References

Related Security Bulletins