Hiawatha version: 8.7
Operating System: 12.04 Desktop
External image via http://www.freeimagehosting.net/newuploads/21w5d.png
notice all the warning signs in the tabs
banned for 10 hours. 46 got through, but at that point you should be also properly Filtering Input and Escaping output. Not bad Hugo, I turned off the denied body for hiawatha (all the attacks got through) and even then I passed all 616 tests.
https://addons.mozilla.org/en-us/firefox/addon/xss-me/take a look at this tool. Pretty cool in my opinion