Cross-site request forgery (CSRF) vulnerability in the OPAC module before 7.x-2.3 for Drupal allows remote attackers to hijack the authentication of unspecified victims for requests that remove a mapping via unknown vectors.
Cross-Site Request Forgery The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.