Vulnerability in Wikimedia MediaWiki Affected by User Input Issues

CVE-2025-6593

What is CVE-2025-6593?

A vulnerability exists in Wikimedia Foundation's MediaWiki, specifically concerning the handling of user input in the program file includes/user/User.php. This flaw affects multiple versions of MediaWiki, allowing different user-related operations to potentially be manipulated by malicious actors. The impacted versions include MediaWiki versions from 1.27.0 up to, but not including, 1.39.13, in addition to 1.42.7, 1.43.2, and 1.44.0. Addressing this issue is crucial to maintaining the integrity and security of MediaWiki installations.

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