TJSChat You.PHP Cross-Site Scripting Vulnerability

Bugtraq ID:	23593
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Apr 23 2007 12:00AM
Updated:	Apr 23 2007 10:20PM
Credit:	the_Edit0r is credited with the discovery of this vulnerability
Vulnerable:	Olivier HONDERMARCK TJSChat 0.95
Not Vulnerable:

TJSChat You.PHP Cross-Site Scripting Vulnerability

TJSChat is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input.

An attacker may leverage these issues to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookie-based authentication credentials and to launch other attacks.

This issue affects TJSChat 0.95; other versions may also be affected.

TJSChat You.PHP Cross-Site Scripting Vulnerability

An attacker can exploit this issue by enticing an unsuspecting user to follow a malicious URI.

The following proof of concept is available:

http://www.example.com/you.php?user=[xss]

TJSChat You.PHP Cross-Site Scripting Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: mailto:[email protected].

TJSChat You.PHP Cross-Site Scripting Vulnerability

References:

• TJSChat Product Page (Olivier HONDERMARCK)
  
• TJSChat Version 0.95 Cross Site Scripting ([email protected])