Cross-site scripting in GitLab Enterprise Edition and Gitlab Community Edition - #VU28330

 

Cross-site scripting in GitLab Enterprise Edition and Gitlab Community Edition - #VU28330

Published: May 29, 2020


Vulnerability identifier: #VU28330
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
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 on the Metrics Dashboard. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary JavaScript 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

Remediation

Install updates from vendor's website.

GitLab Enterprise Edition - addressed in versions 12.9.8, 12.10.7, 13.0.1
Gitlab Community Edition - addressed in versions 12.9.8, 12.10.7, 13.0.1

External References

Related Security Bulletins