* Advisory ID: DRUPAL-SA-CONTRIB-2009-088 * Project: Workflow (third-party module) * Version: 6.x, 5.x * Date: 2009-October-28 * Security risk: Moderately Critical * Exploitable from: Remote * Vulnerability: Cross Site Scripting -------- DESCRIPTION --------------------------------------------------------- The Workflow module enables sites to define flexible process management systems. Names of workflows and workflow states are not sanitised to display as plain text, leading to a Cross Site Scripting (XSS [1]) vulnerability. Exploiting this vulnerability would allow a malicious user to gain full administrative access. Mitigating factors: A malicious user would need 'administer workflow' permission to carry out the cross-site-scripting attack. -------- VERSIONS AFFECTED --------------------------------------------------- * Workflow module versions Drupal 6.x prior to Workflow 6.x-1.2 [2] * Workflow module versions Drupal 5.x prior to Workflow 5.x-2.4 [3] Drupal core is not affected. If you do not use the contributed Workflow [4] module, there is nothing you need to do. -------- SOLUTION ------------------------------------------------------------ Install the latest version. * If you use the Workflow module for Drupal 6.x upgrade to Workflow 6.x-1.2 [5] * If you use the Workflow module for Drupal 5.x upgrade to Workflow 5.x-2.4 [6] -------- REPORTED BY --------------------------------------------------------- Justin_KleinKeane [7]. -------- FIXED BY ------------------------------------------------------------ jvandyk [8], 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/612832 [3] http://drupal.org/node/612834 [4] http://drupal.org/project/workflow [5] http://drupal.org/node/612832 [6] http://drupal.org/node/612834 [7] http://drupal.org/user/302225 [8] http://drupal.org/user/2375