WordPress RedLine Theme 's' Parameter Cross Site Scripting Vulnerability

Bugtraq ID:	49880
Class:	Input Validation Error
CVE:	CVE-2011-3863
Remote:	Yes
Local:	No
Published:	Sep 30 2011 12:00AM
Updated:	Sep 30 2011 12:00AM
Credit:	Sitewatch
Vulnerable:	WordPress RedLine Theme 1.65
Not Vulnerable:	WordPress RedLine Theme 1.66

WordPress RedLine Theme 's' Parameter Cross Site Scripting Vulnerability

The RedLine theme for WordPress 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 can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

RedLine theme prior to 1.66 are vulnerable.

WordPress RedLine Theme 's' Parameter Cross Site Scripting Vulnerability

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

The following example URI is available:

http://www.example.com/?s="%20%3e%3c/link%3e%3cScRiPt%3ealert(123)%3c/ScRiPt%3e

WordPress RedLine Theme 's' Parameter Cross Site Scripting Vulnerability

Solution:
Vendor updates are available. Please see the references for more information.