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Drupal Zen 7.x Cross Site Scripting

Drupal Zen 7.x Cross Site Scripting
Posted Aug 22, 2013
Authored by Daniel Nitsche | Site drupal.org

Drupal Zen third party module version 7.x suffers from a cross site scripting vulnerability.

tags | advisory, xss
SHA-256 | f846dd108bf79b92d3140415cfcf9224e8f2c6234bffd9c9791dbea8c1baa8c5

Drupal Zen 7.x Cross Site Scripting

Change Mirror Download
View online: https://drupal.org/node/2071157

* Advisory ID: DRUPAL-SA-CONTRIB-2013-070
* Project: Zen [1] (third-party module)
* Version: 7.x
* Date: 2013-August-21
* Security risk: Moderately critical [2]
* Exploitable from: Remote
* Vulnerability: Cross Site Scripting

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

The Zen theme is a very popular base/starter theme.

Zen doesn't sufficiently escape the breadcrumb separator field, allowing a
possible XSS exploit.

This vulnerability is mitigated by the fact that an attacker must have a role
with the permission "administer themes".


-------- CVE IDENTIFIER(S) ISSUED
--------------------------------------------

* /A CVE identifier [3] will be requested, and added upon issuance, in
accordance with Drupal Security Team processes./

-------- VERSIONS AFFECTED
---------------------------------------------------

* Zen 7.x-3.x versions prior to 7.x-3.2.
* Zen 7.x-5.x versions prior to 7.x-5.4.

Drupal core is not affected. If you do not use the contributed Zen [4]
module, there is nothing you need to do.

-------- SOLUTION
------------------------------------------------------------

Install the latest version:

* If you use the Zen theme for Drupal 7.x, upgrade to Zen 7.x-3.2 [5] or Zen
7.x-5.4 [6].

Also see the Zen [7] project page.

-------- REPORTED BY
---------------------------------------------------------

* Daniel Nitsche [8]

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

* John Albin Wilkins [9], the theme maintainer

-------- COORDINATED BY
------------------------------------------------------

* Greg Knaddison [10] of the Drupal Security Team
* Klaus Purer [11] of the Drupal Security Team

-------- CONTACT AND MORE INFORMATION
----------------------------------------

The Drupal security team can be reached at security at drupal.org or via the
contact form at http://drupal.org/contact [12].

Learn more about the Drupal Security team and their policies [13], writing
secure code for Drupal [14], and securing your site [15].


[1] http://drupal.org/project/zen
[2] http://drupal.org/security-team/risk-levels
[3] http://cve.mitre.org/
[4] http://drupal.org/project/zen
[5] https://drupal.org/node/2071065
[6] https://drupal.org/node/2071055
[7] http://drupal.org/project/zen
[8] http://drupal.org/user/1151108
[9] http://drupal.org/user/32095
[10] http://drupal.org/user/36762
[11] http://drupal.org/user/262198
[12] http://drupal.org/contact
[13] http://drupal.org/security-team
[14] http://drupal.org/writing-secure-code
[15] http://drupal.org/security/secure-configuration

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