csdjcms(Cheng's dance music Management System) V 3.0 getshell vulnerabilities-vulnerability warning-the black bar safety net

csdjcms a YY hack and YY pigs flow like with the sing website. csdjcms V 2.5 code //The old rules first home start looking the includeonce“include/install.php”; ifSIsInstall==0 header“Location:install/install.php”; the includeonce“include/label.php”; ifSWebmode==1 or ! fileexists“index.html”...