* Advisory ID: DRUPAL-SA-CONTRIB-2009-096 * Project: Link (third-party module) * Version: 5.x, 6.x * Date: 2009-November-4 * Security risk: Moderately Critical * Exploitable from: Remote * Vulnerability: Cross Site Scripting -------- DESCRIPTION --------------------------------------------------------- The Link module provides a CCK field which enables links to be added to content types, that can include a URL, title, and target attribute. When using the "Separate title and URL" formatter supplied by the module, the link title field is not sanitized before being displayed, leading to a Cross Site Scripting (XSS [1]) vulnerability. -------- VERSIONS AFFECTED --------------------------------------------------- * Link module for Drupal 6.x prior to Link 6.x-2.7 [2] * Link module for Drupal 5.x prior to Link 5.x-2.6 [3] Drupal core is not affected. If you do not use the contributed Link module [4], there is nothing you need to do. -------- SOLUTION ------------------------------------------------------------ Upgrade to the latest version: * If you use Link module for Drupal 6.x upgrade to version 6.x-2.7 [5] * If you use Link module for Drupal 5.x upgrade to version 5.x-2.6 [6] -------- REPORTED BY --------------------------------------------------------- * Reported by mr.baileys [7] -------- FIXED BY ------------------------------------------------------------ * Fixed by dropcube [8], Link module co-maintainer, and mr.baileys [9] -------- 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/620668 [3] http://drupal.org/node/620662 [4] http://drupal.org/project/link [5] http://drupal.org/node/620668 [6] http://drupal.org/node/620662 [7] http://drupal.org/user/383424 [8] http://drupal.org/user/37031 [9] http://drupal.org/user/383424