The HTML5 drag and drop functionality in WebKit in Apple Safari before 5.0.4 allows user-assisted remote attackers to bypass the Same Origin Policy and obtain sensitive information via vectors related to the dragging of content. NOTE: this might overlap CVE-2011-0778.
lists.apple.com/archives/security-announce/2011//Mar/msg00004.html
lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
support.apple.com/kb/HT4566
support.apple.com/kb/HT4999
www.securityfocus.com/bid/46811
www.securitytracker.com/id?1025183
exchange.xforce.ibmcloud.com/vulnerabilities/66004