A hacker came by with c99madshell v. 2.0 madnet edition

*Update: Okay, I think I located the potential entry to the WP-Forum, which I have read having some security issues coming up lately. It has now been removed from this site. * 
Alright, not really what I wanted to happen on a Monday evening.
I came home, and just before I started to make dinner, I went [...]