Lol, look in your own post dude. The last line says
(!empty($user->lang['QUOTE'])) ? $user->lang['QUOTE'] : ucwords(strtolower(str_replace('_', ' ', 'QUOTE'))):
[Maintenance Details]
The exploit announced on Jan. 13, 2006, which allowed players to obtain items in an improper way, will fully be addressed.
Go read the information.
To sum it up though, some people were using a third party program to, steal items every time from monsters in old and new town movopolis(sp).
My question is, does anyone know what they are stealing? I'm guessing it was gold beastcoins.