Kryn.cms '_kurl' Parameter Cross Site Scripting Vulnerability

Bugtraq ID:	47973
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	May 25 2011 12:00AM
Updated:	May 25 2011 12:00AM
Credit:	AutoSec Tools
Vulnerable:	MArc Schmidt Kryn.cms 0.9
Not Vulnerable:

Kryn.cms '_kurl' Parameter Cross Site Scripting Vulnerability

Kryn.cms is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data.

An attacker may leverage this issue 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.

Kryn.cms 0.9 is vulnerable; other versions may also be affected.

Kryn.cms '_kurl' Parameter Cross Site Scripting Vulnerability

To exploit this issue, an attacker must entice an unsuspecting user to follow a malicious URI.

The following example URI is available:

http://www.example.com/kyrn/index.php?_kurl=%3Cscript%3Ealert%280%29%3C/script%3E

Kryn.cms '_kurl' Parameter Cross Site Scripting Vulnerability

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

Kryn.cms '_kurl' Parameter Cross Site Scripting Vulnerability

References:

• Kryn.cms Homepage (MArc Schmidt)