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Mozilla Foundation Security Advisory 2007-19

Title: XSS using addEventListener and setTimeout
Impact: High
Announced: July 17, 2007
Products: Firefox

Fixed in: Firefox
  SeaMonkey 1.1.3


Mozilla contributor moz_bug_r_a4 demonstrated that the methods addEventListener and setTimeout could be used to inject script into another site in violation of the browser's same-origin policy. This could be used to access or modify private or valuable information from that other site.