* Advisory ID: DRUPAL-SA-CONTRIB-2011-018 * Project: Node Reference URL Widget [1] (third-party module) * Version: 6.x, 7.x * Date: 2011-April-27 * Security risk: Moderately critical (definition of risk levels) [2] * Exploitable from: Remote * Vulnerability: Cross Site Scripting -------- DESCRIPTION --------------------------------------------------------- The Node Reference URL Widget module adds a new widget to the Node Reference field type, allowing node reference fields to be auto-populated based on a value from the URL. The module does not sanitize some of the user-supplied data before displaying it, leading to a Cross Site Scripting (XSS [3]) vulnerability that may lead to a malicious user gaining full administrative access. -------- VERSIONS AFFECTED --------------------------------------------------- * Node Reference URL Widget module for Drupal 6 prior to 6.x-1.10. * Node Reference URL Widget module for Drupal 7 prior to 7.x-1.10. Drupal core is not affected. If you do not use the contributed Node Reference URL Widget [4] module, there is nothing you need to do. -------- SOLUTION ------------------------------------------------------------ Install the latest version: * If you use the Node Reference URL Widget module for Drupal 6.x upgrade to Node Reference URL Widget 6.x-1.10 [5]. * If you use the Node Reference URL Widget module for Drupal 7.x upgrade to Node Reference URL Widget 7.x-1.10 [6]. See also the Node Reference URL Widget [7] project page. -------- REPORTED BY --------------------------------------------------------- * Ralf Stamm [8] -------- FIXED BY ------------------------------------------------------------ * Nathan Haug (quicksketch [9]), the module maintainer -------- CONTACT AND MORE INFORMATION ---------------------------------------- The Drupal security team can be reached at security at drupal.org or via the contact form at http://drupal.org/contact [10]. Learn more about the team and their policies [11], writing secure code for Drupal [12], and secure configuration [13] of your site. [1] http://www.drupal.org/project/nodereference_url [2] http://drupal.org/security-team/risk-levels [3] http://en.wikipedia.org/wiki/Cross-site_scripting [4] http://drupal.org/project/nodereference_url [5] http://drupal.org/node/1140310 [6] http://drupal.org/node/1140312 [7] http://drupal.org/project/nodereference_url [8] http://drupal.org/user/43568 [9] http://drupal.org/user/35821 [10] http://drupal.org/contact [11] http://drupal.org/security-team [12] http://drupal.org/writing-secure-code [13] http://drupal.org/security/secure-configuration