* Advisory ID: DRUPAL-SA-CONTRIB-2010-013 * Project: Menu Breadcrumb (third-party module) * Version: 6.x * Date: 2010-February-03 * Security risk: Less critical * Exploitable from: Remote * Vulnerability: Cross Site Scripting -------- DESCRIPTION --------------------------------------------------------- The Menu Breadcrumb module allows to use the menu the current page belongs to as breadcrumb. 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. Mitigating factors: A user must have a role with the permission /administer blocks/ to exploit this vulnerability. -------- VERSIONS AFFECTED --------------------------------------------------- * Menu Breadcrumb for Drupal 6.x prior to 6.x-1.3 Drupal core is not affected. If you do not use the contributed Menu Breadcrumb module, there is nothing you need to do. -------- SOLUTION ------------------------------------------------------------ Upgrade to the latest version: * If you use Menu Breadcrumb for Drupal 6.x upgrade to Menu Breadcrumb 6.x-1.3 [2] See also the Menu Breadcrumb project page [3]. -------- REPORTED BY --------------------------------------------------------- * mr.baileys [4] -------- FIXED BY ------------------------------------------------------------ * Chris Burgess [5], 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/703010 [3] http://drupal.org/project/menu_breadcrumb [4] http://drupal.org/user/383424 [5] http://drupal.org/user/76026