Cross-site scripting (XSS) vulnerability in the Shibboleth authentication module 6.x-4.x before 6.x-4.2 and 7.x-4.x before 7.x-4.2 for Drupal allows remote authenticated users with the "Administer blocks" permission to inject arbitrary web script or HTML via unspecified vectors related to a login link.
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.