Internet Explorer vulnerable to Cookie-jacking attack. Attack exploits flaw present in all current versions of IE to steal session cookies issued by Facebook, Twitter and Google Mail. Security researcher Rosario Valotta demonstrated his “cookiejacking” proof of concept last week at the Hack in the Box security conference in Amsterdam. Valotta said the technique can be used on virtually any website and affects all versions of Windows. “There is a huge customer base affected (any IE, any Win version),” he said.
Source: https://thehackernews.com/2011/05/internet-explorer-vulnerable-to-cookie.html