Unquoted Search Path or Element in MediaWiki - CVE-2021-31553

 

Unquoted Search Path or Element in MediaWiki - CVE-2021-31553

Published: April 26, 2021


Vulnerability identifier: #VU52574
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-31553
CWE-ID: CWE-428
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MediaWiki
Software vendor:
MediaWiki.org

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to an unquoted search path issue in the CheckUser extension. A remote attacker can turn off Special:CheckUserLog and thus interfere with usage tracking.


Remediation

Install updates from vendor's website.

External links