Hackers are focusing on vulnerabilities in the PHP web application development platform threatening 80% websites in the world, including many big website i.e. Facebook and Wikipedia. PHP has several predefined variables that are called SuperGlobals i.e. POST, GET, COOKIES, FILES etc. Imperva Releases Hacker Intelligence Initiative Report, particularly concerned about two vulnerabilities that can be used to execute code on servers running PHP and fail to stop PHP SuperGlobal parameter variables being modified by external sources.