* Advisory ID: DRUPAL-SA-CONTRIB-2009-104 * Project: Feed Element Mapper (third-party module) * Version: 5.x, 6.x * Date: 2009-November-18 * Security risk: Moderately Critical * Exploitable from: Remote * Vulnerability: Cross Site Scripting -------- DESCRIPTION --------------------------------------------------------- Feed Element Mapper is an add-on module for FeedAPI that maps elements on a feed item such as tags, or the author name, to taxonomy or CCK fields. These mappings are configurable by a point and click interface. When configuring the mapping, some values coming from external feeds are not sanitized before they are displayed, leading to a Cross Site Scripting (XSS [1]) -------- VERSIONS AFFECTED --------------------------------------------------- * Feed Element Mapper module for Drupal 6.x prior to Feed Element Mapper 6.x-1.3 [2] * Feed Element Mapper module for Drupal 5.x prior to Feed Element Mapper 5.x-1.3 [3] Drupal core is not affected. If you do not use the contributed Feed Element Mapper [4] module, there is nothing you need to do. -------- SOLUTION ------------------------------------------------------------ Upgrade to the latest version: * If you use Feed Element Mapper module for Drupal 6.x upgrade to version 6.x-1.3 [5] * If you use Feed Element Mapper module for Drupal 5.x upgrade to version 5.x-1.3 [6] If you use one of the unsupported Feed element mapper 6.x-2.0 alpha versions, upgrade to Feed Element Mapper 6.x-1.0-alpha4 [7]. -------- REPORTED BY --------------------------------------------------------- * Reported by Jose Reyero [8], from the Drupal Security Team -------- FIXED BY ------------------------------------------------------------ * Fixed by alex_b [9], the module maintainer -------- 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/636498 [3] http://drupal.org/node/636496 [4] http://drupal.org/project/feedapi_mapper [5] http://drupal.org/node/636498 [6] http://drupal.org/node/636496 [7] http://drupal.org/node/636500 [8] http://drupal.org/user/4299 [9] http://drupal.org/user/53995