Cross-site scripting (XSS) vulnerability in the church_admin plugin before 0.810 for WordPress allows remote attackers to inject arbitrary web script or HTML via the address parameter, as demonstrated by a request to index.php/2015/05/21/church_admin-registration-form/.
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.