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Mozilla Foundation Security Advisory 2009-20

Malicious search plugins can inject code into arbitrary sites

Announced
April 21, 2009
Reporter
Prateek Saxena
Impact
Low
Products
Firefox
Fixed in
  • Firefox 3.0.9

Description

Security researcher Prateek Saxena reported that a malicious MozSearch plugin could be created using a javascript: URI in the SearchForm value. This URI is used as the default landing page when an empty search is performed. If an attacker could get a user to install the malicious plugin and perform an empty search, the SearchForm javascript: URI would be executed within the context of the currently open page.

References