"Thanks for the tip, but I just don't think Plurk is notable enough to write about!" 
GhettoWebmaster
says
that was the funniest response I got from the "XSS vulnerabilities = Vacation time for Plurk.com admin" email I sent out.
GhettoWebmaster
thinks
the "XSS Challenge" was crazy to post before leaving on vacation. If I (or anyone else) had posted a proof of concept publicly - you guys...
...could have had a serious mess on your hands.