VbPlaza Cookie Bug ???

Is anyone know about how to close this bug..
I have tried and worked... ?? With that they can forward vbplaza page...I tried but i get just bblastactivity cookie..Maybe my cookie script was bad..? Is there anyway to close html codes on vbplaza page or solve this problem ??

Plugin Name : VbPlaza

ConTact : **********

Risk : Very High !

Search Code : inurl:vbplaza.php


"""""""""""""""""""""""""""""""""""""""""""""""""" """"""""""""""""""""""

Bug in ;

vbplaza.php


"""""""""""""""""""""""""""""""""""""""""""""""""" """"""""""""""""""""""
Bug :

http://[site]/[vBulletin-Path]/vbpla...onate&userid=1

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