Other sites also impacted not listed on SEOmoz:

http://psd.tutsplus.com/tutorials/tools-tips/hdr-photography... http://freelancefolder.com/5-tricks-that-make-you-more-attra... http://www.webpronews.com/google-panda-update-2011-05

I found these through a fresher data source than SEOmoz. There may be more impacted (and might show what the security flaw is to someone more sophisticated than me).