Mozilla before 1.7, Firefox before 0.9, and Thunderbird before 0.7 allows remote attackers to determine the location of files on a user's h…

Mozilla before 1.7, Firefox before 0.9, and Thunderbird before 0.7 allows remote attackers to determine the location of files on a user's hard drive by obscuring a file upload control and tricking the user into dragging text into that control.