MJGUEST 'guestbook.js.php' Cross Site Scripting Vulnerability

Bugtraq ID:	30438
Class:	Input Validation Error
CVE:	CVE-2008-3404
Remote:	Yes
Local:	No
Published:	Jul 30 2008 12:00AM
Updated:	May 07 2015 05:25PM
Credit:	Digital Security Research Group [DSecRG]
Vulnerable:	MJGUEST MJGUEST 6.8 GT
Not Vulnerable:	MJGUEST MJGUEST 6.8 GT rev 2

MJGUEST 'guestbook.js.php' Cross Site Scripting Vulnerability

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

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 let the attacker steal cookie-based authentication credentials and launch other attacks.

MJGUEST 6.8 GT is vulnerable; other versions may also be affected.

MJGUEST 'guestbook.js.php' Cross Site Scripting Vulnerability

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

The following example URI is available:

http://www.example.com/guestbook.js.php?link=[XSS]

MJGUEST 'guestbook.js.php' Cross Site Scripting Vulnerability

Solution:
The vendor released an update to address this issue. Please see the references for more information.

MJGUEST 'guestbook.js.php' Cross Site Scripting Vulnerability

References:

• MJGUEST Homepage (MJGUEST)
  
• MJGuest 6.8 GT Cross Site Scripting Vulnerability ([email protected])
  
• Re: MJGuest 6.8 GT Cross Site Scripting Vulnerability ([email protected])