#VU113752 Improper authentication in MediaWiki - CVE-2025-6597

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Main Vulnerability Database Vulnerabilities #VU113752

#VU113752 Improper authentication in MediaWiki - CVE-2025-6597

Published: August 7, 2025


Vulnerability identifier: #VU113752
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-6597
CWE-ID: CWE-287
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 bypass authentication process.

The vulnerability exists due to logic error in the autocreation process, which shares its logic with the user login flow via the AuthManager::setSessionDataForUser() method. A remote attacker can bypass authentication process and take over accounts of other web application users. 


Remediation

Install updates from vendor's website.

External links