Simple Membership WP user Import

Use placeholders and $wpdb->prepare(); found $query

Unescaped parameter $query used in $wpdb->query($query)\n$query assigned unsafely at line 90:\n $query.=' ORDER BY ' . $orderby . ' ' . $order\n$orderby assigned unsafely at line 83:\n $orderby = $this->sanitize_value_by_array($orderby, $this->get_sortable_columns())\n$orderby assigned unsafely at line 82:\n $orderby = !empty($_GET["orderby"]) ? sanitize_text_field($_GET["orderby"]) : ''\nNote: sanitize_text_field() is not a safe escaping function.\n$_GET["orderby"] used without escaping.

date() is affected by runtime timezone changes which can cause date/time to be incorrectly displayed. Use gmdate() instead.

Unescaped parameter $query used in $wpdb->get_results($query)\n$query assigned unsafely at line 90:\n $query.=' ORDER BY ' . $orderby . ' ' . $order\n$orderby assigned unsafely at line 83:\n $orderby = $this->sanitize_value_by_array($orderby, $this->get_sortable_columns())\n$orderby assigned unsafely at line 82:\n $orderby = !empty($_GET["orderby"]) ? sanitize_text_field($_GET["orderby"]) : ''\nNote: sanitize_text_field() is not a safe escaping function.\n$_GET["orderby"] used without escaping.

Use placeholders and $wpdb->prepare(); found $query

Missing $domain parameter in function call to _e().

Missing "License" in Plugin Header. Please update your Plugin Header with a valid GPLv2 (or later) compatible license.

All output should be run through an escaping function (like esc_html_e() or esc_attr_e()), found '_e'.

strip_tags() is discouraged. Use the more comprehensive wp_strip_all_tags() instead.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found 'SWPM_WP_IMPORT_VERSION'.