CVE-2025-46550

Summary

CVE-2025-46550 is a cross-site scripting (XSS) vulnerability affecting YesWiki, a PHP-based wiki system, prior to version 4.5.4. The issue lies in the `/?BazaR` endpoint and `idformulaire` parameter, which can be exploited by attackers to inject malicious scripts. By creating a malicious link, attackers can steal cookies from authenticated users, enabling session hijacking and potential website takeover. Additionally, this vulnerability may allow defacing of the website or embedding of malicious content. This issue has been resolved in version 4.5.4.

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