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Mozilla Foundation Security Advisory 2012-03

Title: <iframe> element exposed across domains via name attribute
Impact: High
Announced: January 31, 2012
Reporter: Vitaly Nevgen
Products: Firefox, Thunderbird, SeaMonkey

Fixed in: Firefox 10.0
  Thunderbird 10.0
  SeaMonkey 2.7

Description

Vitaly Nevgen reported that an attacker could replace a sub-frame in another domain's document by using the name attribute of the sub-frame as a form submission target. This can potentially allow for phishing attacks against users and violates the HTML5 frame navigation policy.

Firefox 3.6 and Thunderbird 3.1 are not affected by this vulnerability.

References