CVE-2024-40599

Summary

CVE-2024-40599 is a stored Cross-Site Scripting (XSS) vulnerability affecting MediaWiki versions up to 1.42.1. An attacker can exploit this flaw by injecting malicious scripts through MediaWiki:Sidebar top-level menu entries, potentially stealing user sessions or executing malicious code when an unsuspecting user visits a specially crafted page. This issue can pose a significant security risk, and users are advised to update their MediaWiki installations as soon as possible to mitigate this threat.

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