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Mozilla Foundation Security Advisory 2012-68
Title: DOMParser loads linked resources in
extensions when parsing text/html
Impact: Moderate
Announced: August 28, 2012
Reporter: vsemozhetbyt
Products: Firefox, Thunderbird, SeaMonkey
Fixed in: Firefox 15
Thunderbird 15
SeaMonkey 2.12
Description
Security researcher vsemozhetbyt reported that when the DOMParser is used to parse text/html data in a Firefox extension, linked resources within this HTML data will be loaded. If the data being parsed in the extension is untrusted, it could lead to information leakage and can potentially be combined with other attacks to become exploitable.
