Train Scheduler App 1.0 Insecure Direct Object Reference

# Exploit Title: Train Scheduler App v1.0 - Insecure Direct Object Reference (IDOR) to "delete user id " # Exploit Author: Rohit Sharma# Vendor Name: oretnom23 # Vendor Homepage: https://www.sourcecodester.com/php/15720/train-scheduler-app-using-php-oop-and-mysql-database-free-download.html# Software Link: https://www.sourcecodester.com/php/15720/train-scheduler-app-using-php-oop-and-mysql-database-free-download.html# Version: v1.0# Tested on: window, xampp ,apachevulnerability description:- Train Scheduler App suffers from an Insecure Direct Object Reference (IDOR) vulnerabilityVulnerable Parameters:action , id how to reproduce this vulnerabilty:-1:- host this web on local host 2:- go to this url http://127.0.0.1/train_scheduler_app/3:- add random number to generate schedule list i creted alot list to testing this application 4:- go this url  http://127.0.0.1/train_scheduler_app/?action=delete&id=55:- id parameter is vulnerbale for idor change this to increasing number to delet user schedule list 5>>6>>7>>8 etc