The host is installed with Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, or SeaMonkey before 2.9 and is prone to cross-site scripting vulnerability. A flaw is present in the applications, which fail to handle multibyte character set. Successful exploitation could allow attackers to inject arbitrary web script or ...