The actual product had little to do with it - the upload is an identical implementation to webspace, which you are planning on implementing if I can recall from your other thread.
The key is that with a *.php file in place and the correct inclination bad things can happen. In this case the mechanisim of action was the board but in the case of webspace it would be something as simple as FTP...
Regards,
Brett Harris
Infopop Corporation
