CVE-2023-39777

Summary

CVE-2023-39777 is a cross-site scripting (XSS) vulnerability affecting the Admin Control Panel of vBulletin versions 5.7.5 and 6.0.0. Attackers can exploit this issue by injecting malicious web scripts or HTML code into the /login.php?do=login URL parameter. Successful exploitation could lead to unauthorized access, data theft, or site defacement. Users are advised to update to the latest vBulletin release as soon as possible to mitigate this risk.

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