Rosario Valotta has published an interesting attack against IE that takes advantage of clickjacking. In a nutshell it combines origin flaws within IE with clickjacking to trick a user into copying/pasting their own cookies from any site! Demonstration below

The technical details can be found at https://sites.google.com/site/tentacoloviola/cookiejacking and his slides at https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnx0ZW50YWNvbG92aW9sYXxneDoxMWJlZTI5ZjVhYjdiODQx