Multiple SQL injection vulnerabilities in pie-register/pie-register.php in the Pie Register plugin before 2.0.19 for WordPress allow remote administrators to execute arbitrary SQL commands via the (1) selectinvitaioncodebulkoption or (2) invidelid parameter in the pie-invitation-codes page to wp-admin/admin.php.
Cross-site scripting (XSS) vulnerability in pie-register/pie-register.php in the Pie Register plugin before 2.0.19 for WordPress allows remote attackers to inject arbitrary web script or HTML via the invitaioncode parameter in a pie-register page to the default URI.