...
-----------------------------------
phpBB 2.0.12 Session Handling Administrator Authentication Bypass EXPLOIT -SIMPLIFIED- - By PPC^Rebyte
-----------------------------------
3* Preparation ______________
1. Register at forum?
2. Log in with account + UNCHECK "Log in automatically"
...
you do not need to register and login, if you browse on a forum a ANONYMOUS (id=0) Session is opened and a Cookie created.
Now you must delete the phpbb2_sid cookie and write the exploit code in the phpbb2_data cookie.
So you don't must login.
