Monthly Archives: October 2008

Advisory: BOM’ing Firefox’s Javascript Interpreter

Damage: Filter evasion, cross-site scripting Exploit: Insert Unicode byte order mark (BOM) U+FEFF into javascript statements to bypass filters. Root Cause: character absorption/swallowing Product version: Firefox 3.01 and earlier Link to Mozilla advisory: http://www.mozilla.org/security/announce/2008/mfsa2008-43.html Well admittedly this one seems to … Continue reading

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