SA-CONTRIB-2010-021 - AddThis Button - Cross Site Scripting - Security-news

3 Mar 2010


      * Advisory ID: DRUPAL-SA-CONTRIB-2010-021
  * Project: AddThis Button (third-party module)
  * Version: 6.x, 5.x
  * Date: 2010-March-03
  * Security risk: Less Critical
  * Exploitable from: Remote
  * Vulnerability: Cross Site Scripting
-------- DESCRIPTION  
---------------------------------------------------------
The AddThis module provides an easy way to share content to over 230
supported services such as Facebook, Email and Twitter. The module did not
sanitize some user-supplied data before displaying it, leading to a Cross
Site Scripting (XSS [1]) vulnerability. Only users with the 'administer
addthis' permission were able to exploit this vulnerability.
-------- VERSIONS AFFECTED  
---------------------------------------------------
* AddThis Button module prior to 6.x-2.9 [2]
  * AddThis Button module prior to 5.x-2.2 [3]
Drupal core is not affected. If you do not use the contributed AddThis Button
module, there is nothing you need to do.
-------- SOLUTION  
------------------------------------------------------------
Install the latest version:
  * If you use AddThis Button for Drupal 5.x upgrade to AddThis Button 6.x-2.9
    [4].
  * If you use AddThis Button for Drupal 6.x upgrade to AddThis Button 5.x-2.2
    [5].
See also the AddThis Button project page [6].
-------- REPORTED BY  
---------------------------------------------------------
* Vesa Palmu (wesku [7]), the module maintainer
  * Dave Hansen-Lange (dalin [8])
-------- FIXED BY  
------------------------------------------------------------
* Vesa Palmu (wesku [9]), the module maintainer.
-------- 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/731576
[3] http://drupal.org/node/731578
[4] http://drupal.org/node/731576
[5] http://drupal.org/node/731578
[6] http://drupal.org/project/addthis
[7] http://drupal.org/user/75070
[8] http://drupal.org/user/18981
[9] http://drupal.org/user/75070