Dimensions buy system sql vulnerability affects to the latest 4. Version 2-bug warning-the black bar safety net

Before using this buy system of the free don't know how to now start charging like This vulnerability also in several low version has always been there! Vulnerability file: app/source/articleshow.php ? php if $REQUEST "m" == "Article" && $REQUEST "a" == "showByUname" $uname = $REQUEST"uname"; //n...