Cross-site scripting (XSS) vulnerability in the Shoutbox module for Drupal 5.x before Shoutbox 5.x-1.1 allows remote authenticated users to inject arbitrary web script or HTML via Shoutbox block messages.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.