RATES SYSTEM version 1.0 suffers from a remote SQL injection vulnerability that allows for authentication bypass. Original discovery of SQL injection in this version is attributed to Halit Akaydin in August of 2021.
f86af52f20f70db508a4b33824dc75a5# Exploit Title: RATES SYSTEM 1.0 - Authentication Bypass
# Date: 2020-08-13
# Exploit Author: Azumah Foresight Xorlali (M4sk0ff)
# Vendor Homepage: https://www.sourcecodester.com/php/14904/rates-system.html
# Software Link: https://www.sourcecodester.com/download-code?nid=14904&title=RATES+SYSTEM+in+PHP+Free+Source+Code
# Version: Version 1.0
# Category: Web Application
# Tested on: Kali Linux
Description: The authentication bypass vulnerability on the application allows an attacker to log in as Client. This vulnerability affects the "username" parameter on the client login page: http://localhost/rates/login.php
Step 1: On the login page, simply use the query inside the bracket ( ' OR 1 -- - ) as username
Step 2: On the login page, use same query{ ' OR 1 -- -} or anything as password
All set you should be logged in as Client.