[Security-news] SA-CONTRIB-2010-010 - Author Contact - Cross site scripting

[security-news at drupal.org]

  * Advisory ID: DRUPAL-SA-CONTRIB-2010-010
  * Project: Author Contact (third-party module)
  * Version: 5.x, 6.x
  * Date: 2010-January-27
  * Security risk: Less critical
  * Exploitable from: Remote
  * Vulnerability: Cross Site Scripting

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

The Author Contact module provides a form to contact the author of the
current post. The module does not properly sanitize parts of the provided
block, leading to a cross-site scripting (XSS [1]) vulnerability. Such an
attack may lead to a malicious user gaining full administrative access. A
user must have a role with the permission /administer blocks/ to exploit.
-------- VERSIONS AFFECTED  
---------------------------------------------------

  * Author Contact for Drupal 6.x prior to 6.x-1.3
  * Author Contact for Drupal 5.x prior to 5.x-1.3

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

Upgrade to the latest version:
  * If you use Author Contact for Drupal 6.x upgrade to Author Contact 6.x-1.3
    [2]
  * If you use Author Contact for Drupal 5.x upgrade to Author Contact 5.x-1.3
    [3]

See also the Author Contact project page [4].
-------- REPORTED BY  
---------------------------------------------------------

  * mr.baileys [5]

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

  * James Crook [6], the module maintainer
  * Benjamin Jeavons [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/694238
[3] http://drupal.org/node/693896
[4] http://drupal.org/project/authorcontact
[5] http://drupal.org/user/383424
[6] http://drupal.org/user/204495
[7] http://drupal.org/user/91990