[Security-news] SA-CONTRIB-2010-009 - Block Class - Cross Site Scripting

[security-news at drupal.org]

  * Advisory ID: DRUPAL-SA-CONTRIB-2010-009
  * Project: Block Class (third-party module)
  * Version: 6.x-1.2, 5.x-1.1
  * Date: 2010-January-20
  * Security risk: Less critical
  * Exploitable from: Remote
  * Vulnerability: Cross Site Scripting

-------- DESCRIPTION  
---------------------------------------------------------

Block Class module allows users to add classes to any block through the
block's configuration interface. This release includes a fix for a cross-site
scripting (XSS [1]) vulnerability through which JavaScript could be inserted
in the class field of a block's configuration interface.
-------- VERSIONS AFFECTED  
---------------------------------------------------

  * Block Class module 5.x-1.1 and prior versions
  * Block Class module 6.x-1.2 and prior versions

Drupal core is not affected. If you do not use the contributed Block Class
module, there is nothing you need to do.
-------- SOLUTION  
------------------------------------------------------------

Install the latest version:
  * If you use the Block Class module for Drupal 5.x upgrade to Block Class
    5.x-1.2 [2]
  * If you use the Block Class module for Drupal 6.x upgrade to Block Class
    6.x-1.3 [3]

See also the Block Class [4] page.
-------- REPORTED BY  
---------------------------------------------------------

Didrik Nordström [5]
-------- FIXED BY  
------------------------------------------------------------

Didrik Nordström [6] and Todd Nienkerk [7].
-------- CONTACT  
-------------------------------------------------------------

The security contact for Drupal can be reached at security at drupal.org or
via the form at http://drupal.org/contact.

[1] http://en.wikipedia.org/wiki/Cross-site_scripting
[2] http://drupal.org/node/688622
[3] http://drupal.org/node/688624
[4] http://drupal.org/project/block_class
[5] http://drupal.org/user/442208
[6] http://drupal.org/user/442208
[7] http://drupal.org/user/92096