LIQUID SPEECH BALLOON

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

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

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

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

Sanitization missing for register_setting().

Processing form data without nonce verification.

Resource version not set in call to wp_enqueue_script(). This means new versions of the script may not always be loaded due to browser caching.

In footer ($in_footer) is not set explicitly wp_enqueue_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.

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

load_plugin_textdomain() has been discouraged since WordPress version 4.6. When your plugin is hosted on WordPress.org, you no longer need to manually include this function call for translations under your plugin slug. WordPress will automatically load the translations for you as needed.

Processing form data without nonce verification.