The mob is turning against Flash. Mozilla has blocked every version of Adobe’s Flash plugin from running within its Firefox browser, while Facebook’s head of security has called for Adobe to kill it off.The moves come following a series of vulnerabilities in Flash being actively exploited, including those exposed by the Hacking Team compromise.
http://www.theguardian.com/technology/2015/jul/14/facebook-end-adobe-flash-firefox-blocks-hacking