- fix banned fields and site health status

includes/core/class-builtin.php

@@ -183,7 +183,7 @@ if ( ! class_exists( 'um\core\Builtin' ) ) {
 		 * @return int|string Empty or error string.
 		 */
 		public function blacklist_field_err( $key ) {
-			if ( in_array( strtolower( $key ), $this->blacklist_fields, true ) ) {
+			if ( in_array( strtolower( $key ), $this->blacklist_fields, true ) || in_array( strtolower( $key ), UM()->user()->banned_keys, true ) ) {
 				return __( 'Your meta key can not be used', 'ultimate-member' );
 			}
 

includes/core/class-user.php

@@ -93,6 +93,9 @@ if ( ! class_exists( 'um\core\User' ) ) {
 
 			$this->banned_keys = array(
 				'metabox',
+				'user_id',
+				'role',
+				'user_pass',
 				'postbox',
 				'meta-box',
 				'dismissed_wp_pointers',