* Advisory ID: DRUPAL-SA-CONTRIB-2010-032 * Project: Taxonomy Breadcrumb (third-party module) * Versions: 6.x-1.x, 5.x-1.x * Date: 2010-March-31 * Security risk: Critical * Exploitable from: Remote * Vulnerability: Cross Site Scripting -------- DESCRIPTION --------------------------------------------------------- The Taxonomy Breadcrumb module generates taxonomy based breadcrumbs on node pages and taxonomy/term pages. This module does not properly sanitize taxonomy term name and, for 6.x, node titles when displayed in breadcrumbs, leading to a Cross Site Scripting (XSS [1]) vulnerability. XSS vulnerabilities may lead to compromise of administrative accounts or other attacks against site visitors. -------- VERSIONS AFFECTED --------------------------------------------------- * Taxonomy Breadcrumb module for Drupal 6.x version prior to 6.x-1.1. * Taxonomy Breadcrumb module for Drupal 5.x versions prior to 5.x-1.5. Drupal core is not affected. If you do not use the contributed Taxonomy Breadcrumb module, there is nothing you need to do. -------- SOLUTION ------------------------------------------------------------ Install the latest version. * If you use the Taxonomy Breadcrumb module for Drupal 6.x-1.x upgrade to Taxonomy Breadcrumb 6.x-1.1 [2] * If you use the Taxonomy Breadcrumb module for Drupal 5.x-1.x upgrade to Taxonomy Breadcrumb 5.x-1.5 [3] -------- REPORTED BY --------------------------------------------------------- * Martin Barbella [4] -------- FIXED BY ------------------------------------------------------------ * Martin Barbella [5] * Peter Wolanin [6] of the Drupal Security Team [7]. -------- CONTACT ------------------------------------------------------------- The security team 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/757980 [3] http://drupal.org/node/757974 [4] http://drupal.org/user/633600 [5] http://drupal.org/user/633600 [6] http://drupal.org/user/49851 [7] http://drupal.org/security-team