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vBulletin 5.5.2 PHP Object Injection

vBulletin versions 5.5.2 and below suffers from an issue where user input passed through the “messageids” request parameter to /ajax/api/vb4_private/movepm is not properly sanitized before being used in a call to the unserialize() PHP function. This can be exploited by malicious users to inject arbitrary PHP objects into the application scope, allowing them to carry out a variety of attacks, such as executing arbitrary PHP code.Exploit Files ≈ Packet Storm  

 

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