[IT-SecurityNotifies] [Security-news] SA-CONTRIB-2010-072: Hierarchical Select - Cross Site Scripting

[security-news AT drupal.org]

  * Advisory ID: DRUPAL-SA-CONTRIB-2010-0XX
  * Project: Hierarchical Select (third-party module)
  * Version: 5.x, 6.x
  * Date: 2010-July-07
  * Security risk: Moderately critical
  * Exploitable from: Remote
  * Vulnerability: Cross Site Scripting

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

The Hierarchical Select module provides a "hierarchical_select" form element,
which is a greatly enhanced way for letting the user select items in a
taxonomy. The module does not sanitize some of the user-supplied data before
displaying it, leading to a Cross Site Scripting (XSS [1]) vulnerability that
may lead to a malicious user gaining full administrative access. This
vulnerability is mitigated by the fact that the attacker must have a role
with the 'administer taxonomy' permission.
-------- VERSIONS AFFECTED  
---------------------------------------------------

  * Hierarchical Select module for Drupal 5.x versions prior to 5.x-3.2
  * Hierarchical Select module for Drupal 6.x versions prior to 6.x-3.2

Drupal core is not affected. If you do not use the contributed Hierarchical
Select [2] module, there is nothing you need to do.
-------- SOLUTION  
------------------------------------------------------------

Install the latest version:
  * If you use the Hierarchical Select module for Drupal 5.x upgrade to
    Hierarchical Select 5.x-3.2 [3]
  * If you use the Hierarchical Select module for Drupal 6.x upgrade to
    Hierarchical Select 6.x-3.2 [4]

See also the Hierarchical Select project page [5].
-------- REPORTED BY  
---------------------------------------------------------

  * Jingxiang Rao [6]
  * Sam Oldak

-------- FIXED BY  
------------------------------------------------------------

  * Wim Leers [7], the module maintainer
  * Sam Oldak

-------- CONTACT  
-------------------------------------------------------------

The Drupal security team [8] 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/project/hierarchical_select
[3] http://drupal.org/node/847286
[4] http://drupal.org/node/847284
[5] http://drupal.org/project/hierarchical_select
[6] http://drupal.org/user/623328
[7] http://drupal.org/user/99777
[8] http://drupal.org/security-team

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