CSE Bookstore 1.0 Cross Site Scripting

`# Exploit Title: CSE Bookstore 1.0 - 'quantity' Persistent Cross-site Scripting  
# Date: 30/10/2020  
# Exploit Author: Vyshnav NK  
# Vendor Homepage: https://projectworlds.in/  
# Software Link: https://github.com/projectworlds32/online-book-store-project-in-php/archive/master.zip  
# Version: 1.0  
# Tested on: Windows 10 and Windows 7  
  
CSE Bookstore is vulnerable to a Persistent Cross-site scripting on Checkout.php and cartp.php, Where an user can able to add quantity as an XSS Payload and once added each time when we click on MyCart option it triggers as stored one  
  
The below URL can be accessed by a User  
  
URL : http://localhost/php/checkout.php and http://localhost/php/cart.php  
  
Payload : "><svg/onload=alert(5)>  
  
Insert XSS Payload into Quantity Section  
`