Bogo

$_GET['action'] not unslashed before sanitization. Use wp_unslash() or similar

Detected usage of a non-sanitized input variable: $_GET['action']

PHP file should prevent direct access. Add a check like: if ( ! defined( 'ABSPATH' ) ) exit;

Processing form data without nonce verification.

Hook names invoked by a theme/plugin should start with the theme/plugin prefix. Found: "get_the_excerpt".

Detected usage of a possibly undefined superglobal array index: $_REQUEST['page']. Check that the array index exists before using it.

Processing form data without nonce verification.

Use of a direct database call is discouraged.

Direct database call without caching detected. Consider using wp_cache_get() / wp_cache_set() or wp_cache_delete().

Use placeholders and $wpdb->prepare(); found interpolated variable $in_string at "SELECT ID, post_name, post_parent FROM %i LEFT JOIN %i AS postmeta ON ID = postmeta.post_id AND meta_key = '_locale' WHERE post_name IN ($in_string) AND (post_type = %s OR post_type = 'attachment') AND (meta_value LIKE %s OR meta_id IS NULL)"

Using exclusionary parameters, like exclude, in calls to get_posts() should be done with caution, see https://wpvip.com/documentation/performance-improvements-by-removing-usage-of-post__not_in/ for more information.

Unescaped parameter $in_string used in $wpdb->get_results()\n$in_string assigned unsafely at line 224.

Using exclusionary parameters, like post__not_in, in calls to get_posts() should be done with caution, see https://wpvip.com/documentation/performance-improvements-by-removing-usage-of-post__not_in/ for more information.

Detected usage of meta_key, possible slow query.

Detected usage of meta_value, possible slow query.

In footer ($in_footer) is not set explicitly wp_register_script; It is recommended to load scripts in the footer. Please set this value to `true` to load it in the footer, or explicitly `false` if it should be loaded in the header.

The "Plugin Name" header in the plugin file is not valid. It needs to contain at least 5 latin letters (a-Z) and/or numbers. This is necessary because the initial plugin slug is generated from the name.