Cross-site request forgery (CSRF) vulnerability in the Wishlist module 6.x-2.x before 6.x-2.6 and 7.x-2.x before 7.x-2.6 for Drupal allows remote attackers to hijack the authentication of arbitrary users for requests that insert cross-site scripting (XSS) sequences via the (1) wl_reveal or (2) q parameters.