Vimeo: XSS on any site that includes the moogaloop flash player | deprecated embed code
The moogaloop flash player includes in most cases http://f.vimeocdn.com/p/flash/moogaloop/6.0.30/controllers/videoControllerProgressive.swf. In that flash file we can find functionality that looks into the SharedObject "com.conviva.livePass" for recently loaded swf-URLs under the key "lastSwfUrls...