* Advisory ID: DRUPAL-SA-CONTRIB-2010-080 * Project: Privatemsg (third-party module) * Version: 6.x * Date: 2010-August-11 * Security risk: Moderately critical * Exploitable from: Remote * Vulnerability: Cross-Site Scripting -------- DESCRIPTION --------------------------------------------------------- The Privatemsg module allows to send private messages between users. The module does not properly escape user-supplied data before displaying it, leading to a Cross Site Scripting (XSS [1]) vulnerability. Any user with permission to write private messages is vulnerable to attack. -------- VERSIONS AFFECTED --------------------------------------------------- * Privatemsg module for Drupal 6.x versions prior to 6.x-1.3 Drupal core is not affected. If you do not use the contributed Privatemsg [2] module, there is nothing you need to do. -------- SOLUTION ------------------------------------------------------------ Install the latest version: * If you use the Privatemsg module for Drupal 6.x upgrade to Privatemsg 6.x-1.3 [3] See also the Privatemsg project page [4]. -------- REPORTED BY --------------------------------------------------------- * Ben Durbin (bdurbin) [5] -------- FIXED BY ------------------------------------------------------------ * Ben Durbin (bdurbin) [6] * Sascha Grossenbacher (Berdir) [7], module maintainer -------- 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/privatemsg [3] http://drupal.org/node/880036 [4] http://drupal.org/project/privatemsg [5] http://drupal.org/user/165644 [6] http://drupal.org/user/165644 [7] http://drupal.org/user/214652 [8] http://drupal.org/security-team