Wernhart Guestbook 'insert.phtml' Multiple Cross Site Scripting Vulnerabilities

Bugtraq ID:	45108
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Nov 30 2010 12:00AM
Updated:	Nov 30 2010 12:00AM
Credit:	Aliaksandr Hartsuyeu
Vulnerable:	Carl A. Wernhart Guestbook 2001.03.28
Not Vulnerable:

Wernhart Guestbook 'insert.phtml' Multiple Cross Site Scripting Vulnerabilities

Wernhart Guestbook is prone to multiple cross-site-scripting vulnerabilities because it 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 let the attacker steal cookie-based authentication credentials and launch other attacks.

Wernhart Guestbook 2001.03.28 is vulnerable; other versions may also be affected.

Wernhart Guestbook 'insert.phtml' Multiple Cross Site Scripting Vulnerabilities

Attackers can exploit these issues by enticing an unsuspecting user to follow a malicious URI.

Wernhart Guestbook 'insert.phtml' Multiple Cross Site Scripting Vulnerabilities

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].

Wernhart Guestbook 'insert.phtml' Multiple Cross Site Scripting Vulnerabilities

References:

• Vendor Homepage (Carl A. Wernhart)
  
• [eVuln.com] Multiple XSS inj in Wernhart Guestbook (bt)