xss issues in SMF 2.0 RC1

[dahaya]

evry make my forum other hacked it and i have problem with SMF 2.0 RC1  really i dont know who i can make my forum with full security please if any one can help me my email

[email protected]    really i have problem

if i havent any one can help me maby lost all and change my forum to vb again please i need help

whyyyy my forum hacked

other tell me

xss issues  in SMF 2.0 RC1

in search.php

and some one can change any password for any user in my forum this is baaaad  and hacked my index

i need how i can make full security for my forum step by step and if  SMF 2.0 RC1 have issues and what we can do

[Sarge]

Please go to http://www.simplemachines.org/about/security.php and provide as many details as you can.