An issue where a "<select>" dropdown menu can be used to cover location bar content, resulting in potential spoofing attacks. This attack requires e10s to be enabled in order to function. This vulnerability affects Firefox < 50.Referenceshttp://www.securityfocus.com/bid/94337http://www.securitytracker.com/id/1037298https://bugzilla.mozilla.org/show_bug.cgi?id=1276976https://www.mozilla.org/security/advisories/mfsa2016-89/
