The host is installed with Mozilla Firefox before 16.0.2, Firefox ESR 10.x before 10.0.10, Thunderbird before 16.0.2, Thunderbird ESR 10.x before 10.0.10 or SeaMonkey before 2.13.2 and is prone to same origin policy bypass vulnerability. A flaw is present in the applications, which fail to properly handle the Location object. Successful exploitation allows remote attackers to read the Location object via a prototype property-injection attack that defeats certain protection mechanisms for this object.