FYI, when I found about an open ASP.NET padding oracle at Subway.com, all I did was to run PadBuster to exploit it without damaging the servers in any other way. Eventually I reported it to feedback@subway.com, and only after a week of no response only then I finally posted it to reddit: http://www.reddit.com/r/netsec/comments/g9crj/open_aspnet_pa...