WordPress Quick Contact Form 6.0 Cross Site Scripting

`===============================================================================  
| |  
____ _ __  
___ __ __/ / /__ ___ ______ ______(_) /___ __  
/ _ \/ // / / (_-</ -_) __/ // / __/ / __/ // /  
/_//_/\_,_/_/_/___/\__/\__/\_,_/_/ /_/\__/\_, /  
/___/ team  
  
PUBLIC SECURITY ADVISORY  
| |  
===============================================================================  
  
  
TITLE  
=====  
  
Quick Contact Form - Persistent Cross Site Scripting Vulnerability  
  
  
AUTHOR  
======  
  
Zy0d0x  
  
  
DATE  
====  
  
10/06/2013  
  
VENDOR  
======  
  
Quick Plugins - http://quick-plugins.com/  
  
  
AFFECTED PRODUCT  
================  
  
Quick Contact Form Wordpress Plugin Version 6.0 possibly earlier  
  
  
VULNERABILITY CLASS  
===================  
  
Cross-Site Scripting  
  
  
DESCRIPTION  
===========  
  
  
Quick Contact Form suffers from a persistent Cross-Site Scripting vulnerability due to a lack  
of input validation and output sanitization of the qcfname4 paramater.  
Other input fields are also effective to reflective cross site scripting.  
  
  
PROOF OF CONCEPT  
================  
  
Enter the following into the field where Quick Contact Form requests a Message.  
  
--- SNIP ---  
  
"><script>alert(String.fromCharCode(90,121,48,100,48,120))</script><  
  
--- SNIP ---  
  
If the message has been sent successfully a alert diolog will apear containing Zy0d0x when an user checks there message in the dashboard.  
  
  
IMPACT  
======  
  
An attacker could potentially hijack session authentication tokes of remote users and leverage the  
vulnerability to increase the attack vector to the underlying software and operating system of the victim.  
  
  
THREAT LEVEL  
============  
  
High  
  
  
STATUS  
======  
  
Fixed update to version 6.1  
  
  
DISCLAIMER  
==========  
  
nullsecurity.net hereby emphasize, that the information which is published here are  
for education purposes only. nullsecurity.net does not take any responsibility for  
any abuse or misusage!  
  
`