Information disclosure in MediaWiki - CVE-2023-37252
Published: July 3, 2023
Vulnerability identifier: #VU77872
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-37252
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to Special:CheckUserLog shows usernames. A remote attacker can gain unauthorized access to sensitive information on the system.
Affected software
MediaWiki
How to mitigate CVE-2023-37252
Install updates from vendor's website.
MediaWiki - addressed in versions 1.35.11, 1.38.7, 1.39.4, 1.40.0