Cross-site scripting (XSS) vulnerability in theme/views_lang_switch.theme.inc in the Views Language Switcher module before 7.x-1.2 for Drupal allows remote attackers to inject arbitrary web script or HTML via the q parameter.
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.