It indicates a possible exploit of a File Upload vulnerability in OReilly WebSite Pro 2.3.7
OReilly WebSite Pro 2.3.7 ships with a uploader.exe program which allows remote users to upload and execute arbitrary files. By default, it can be run by any user.
OReilly Software WebSite Professional 2.3.7
Allow an attacker to upload and execute arbitrary files to the system.
Apply appropriate patch from the vendor or Upgrade to non-vulnerable version if available.