Potential XSS against sites using Shift-JISAnnounced November 8, 2011 Reporter Yosuke Hasegawa Impact High Products Firefox, SeaMonkey, Thunderbird Fixed in Firefox 3.6.24 Firefox 8 SeaMonkey 2.5 Thunderbird 3.1.16 Thunderbird 8 Description Yosuke Hasegawa reported that the Mozilla browser engine mishandled invalid sequences in the Shift-JIS encoding. When encountering an invalid pair Mozilla would turn the entire two-byte sequence into a
