CVE-2024-40600

Summary

CVE-2024-40600 is a stored Cross-Site Scripting (XSS) vulnerability affecting the Metrolook skin for MediaWiki versions up to 1.42.1. Maliciously crafted MediaWiki:Sidebar top-level menu entries can be exploited to inject and execute malicious scripts in the context of other users, potentially leading to unauthorized account takeover, data theft, or other malicious actions. This issue poses a significant risk and requires immediate patching or mitigation to protect affected MediaWiki installations.

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