Mozilla Foundation Security Advisory 2007-16

Title: XSS using addEventListener
Impact: High
Announced: May 30, 2007
Reporter: moz_bug_r_a4
Products: Firefox, SeaMonkey

Fixed in: Firefox 2.0.0.4
Firefox 1.5.0.12
SeaMonkey 1.0.9
SeaMonkey 1.1.2
Description
Mozilla contributor moz_bug_r_a4 demonstrated that the addEventListener method 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.
Workaround
Disable JavaScript until a fixed version can be installed.
References
https://bugzilla.mozilla.org/show_bug.cgi?id=376987
https://bugzilla.mozilla.org/show_bug.cgi?id=377356
CVE-2007-2870