WP Super Cache v0.1 vulnerable to injection / VPS crack update
Chris Messina has the specifics. That’s what happened to me.
At this point, it appears the hackers were attempting to set up a shellbot and get detailed information about the server setup. I don’t think they’ve succeeded. The scripts they were trying to use were pretty nasty. However from what I can tell, they didn’t cause any damage — beyond making me crazy for a day or so.
Donncha, the developer of WP-Super Cache has been super helpful in investigating, and he has some tips on how to check whether there’s a problem.
*Breathing a sigh of relief, and figuring out how I can increase security on my server.*