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Firefox Privacy Notice

Mozilla Foundation Security Advisory 2005-39

Arbitrary code execution from Firefox sidebar panel II

Announced
April 15, 2005
Reporter
Kohei Yoshino
Impact
Critical
Products
Firefox
Fixed in
  • Firefox 1.0.3

Description

Sites can use the _search target to open links in the Firefox sidebar. Two missing security checks allow malicious scripts to first open a privileged page (such as about:config) and then inject script using a javascript: url. This could be used to install malicious code or steal data without user interaction.

Workaround

Disable Javascript

References