CVE-2012-2899
Google Chrome before 21.0.1180.82 on iOS makes certain incorrect calls to WebView methods that trigger use of an applewebdata: URL, which allows remote attackers to bypass the Same Origin Policy and conduct Universal XSS (UXSS) attacks via vectors involving the document.write method.
Date published : 2014-01-05
http://googlechromereleases.blogspot.com/2012/09/chrome-for-ios-update_24.html