Jax Guestbook Page Parameter Cross-Site Scripting Vulnerability

Bugtraq ID:	17560
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Apr 17 2006 12:00AM
Updated:	May 17 2006 05:24PM
Credit:	ALMOKANN3 is credited with the discovery of this vulnerability. Kiki discovered that 'guestbook.admin.php' is also vulnerable.
Vulnerable:	Jax Scripts Jax Guestbook 3.50
Not Vulnerable:

Jax Guestbook Page Parameter Cross-Site Scripting Vulnerability

Jax Guestbook is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input.

An attacker may leverage this issue to have arbitrary script code executed in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.

Version 3.50 is vulnerable to this issue; other versions may also be affected.

Jax Guestbook Page Parameter Cross-Site Scripting Vulnerability

This issue can be exploited through a web client.

An example URI has been provided:

http://www.example.com/jax_guestbook.php?page=[XSS]&language=english
http://www.example.com/guestbook.admin.php?action=list&guestbook_id=0&language=german&gmt_ofs=0&page=[XSS]

Jax Guestbook Page Parameter 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 are aware of more recent information, please mail us at: [email protected]:[email protected]

Jax Guestbook Page Parameter Cross-Site Scripting Vulnerability

References:

• Jax Guestbook Cross Site Scripting Vulnerability (Kiki)
  
• Jax Scripts Homepage (Jax Scripts)