Vanilla Forums 'p' Parameter Cross Site Scripting Vulnerability

Bugtraq ID:	46486
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Feb 22 2011 12:00AM
Updated:	Feb 22 2011 12:00AM
Credit:	Aung Khant
Vulnerable:	Vanilla Forums Vanilla 2.0.17.5 Vanilla Forums Vanilla 2.0.17.4 Vanilla Forums Vanilla 2.0.17.3 Vanilla Forums Vanilla 2.0.17.2 Vanilla Forums Vanilla 2.0.17.1
Not Vulnerable:	Vanilla Forums Vanilla 2.0.17.6

Vanilla Forums 'p' Parameter Cross Site Scripting Vulnerability

Vanilla Forums is prone to a cross-site scripting vulnerability because it fails to sufficiently 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 can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

Vanilla Forums 'p' Parameter Cross Site Scripting Vulnerability

Attackers can exploit this issue by enticing an unsuspecting user into following a malicious URI.

The following example URI is available:

http://www.example.com/vanilla/index.php?p=[xss]

Vanilla Forums 'p' Parameter Cross Site Scripting Vulnerability

Solution:
Updates are available. Please see the reference for more details.

Vanilla Forums 'p' Parameter Cross Site Scripting Vulnerability

References:

• Vanilla 2.0.17 Released (Vanilla Forums)
  
• Vanilla Forums Homepage (Vanilla Forums)