|Mozilla Firefox 22.214.171.124, 2.0.x before 126.96.36.199, Mozilla Suite 1.7.13,
Mozilla SeaMonkey 1.0.2 and other versions before 1.1.5, and Netscape
8.1 and earlier allow user-assisted remote attackers to read arbitrary
files by tricking a user into typing the characters of the target
filename in a text box and using the OnKeyDown, OnKeyPress, and
those characters to be inserted into a file upload input control,
which can then upload the file when the user submits the form.