WP Ajax Calendar 'example.php' Cross Site Scripting Vulnerability

Bugtraq ID:	47726
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	May 05 2011 12:00AM
Updated:	May 05 2011 12:00AM
Credit:	High-Tech Bridge SA
Vulnerable:	OpenCrypt AJAX Calendar 1.0
Not Vulnerable:

WP Ajax Calendar 'example.php' Cross Site Scripting Vulnerability

WP Ajax Calendar 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.

WP Ajax Calendar 1.0 is vulnerability; other versions may also be affected.

WP Ajax Calendar 'example.php' 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/example.php?y=[xss]

WP Ajax Calendar 'example.php' Cross Site Scripting Vulnerability

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].

WP Ajax Calendar 'example.php' Cross Site Scripting Vulnerability

References:

• HTB22973: XSS in AJAX Calendar (High-Tech Bridge SA)
  
• WP-AJAX Calendar Homepage (OpenCrypt)