Contact Form 7

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

Processing form data without nonce verification.

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$formatter".

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().

Detected usage of a non-sanitized input variable: $_FILES[$field]

Detected usage of meta_query, possible slow query.

Global constants defined by a theme/plugin should start with the theme/plugin prefix. Found: "FS_CHMOD_DIR".

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.

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.

Found call to wp_enqueue_script() with external resource. Offloading scripts to your servers or any remote service is disallowed.

Attempting a database schema change is discouraged.

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

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

wp_redirect() found. Using wp_safe_redirect(), along with the "allowed_redirect_hosts" filter if needed, can help avoid any chances of malicious redirects within code. It is also important to remember to call exit() after a redirect so that no other unwanted code is executed.