Mozilla Foundation Security Advisory 2011-14
Title: Information stealing via form history Impact: Moderate Announced: April 28, 2011 Reporter: Paul Stone Products: Firefox, SeaMonkey
Fixed in: Firefox 3.6.17 Firefox 3.5.19 SeaMonkey 2.0.14 Description
Security researcher Paul Stone reported that a Java applet could be used to mimic interaction with form autocomplete controls and steal entries from the form history.
Firefox 4 was not affected by this issue. References