Logo Slider and Showcase

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.

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

The plugin slug includes a restricted term. Your plugin slug - "wp-logo-showcase" - contains the restricted term "wp" which can be used within the plugin slug, as long as you don't use the full name in the plugin name. For example: You can use WP but not WordPress.

$_REQUEST[$field['name']] not unslashed before sanitization. Use wp_unslash() or similar

Detected usage of a non-sanitized input variable: $_REQUEST[$field['name']]

$_REQUEST[$field['name']] not unslashed before sanitization. Use wp_unslash() or similar

Detected usage of a non-sanitized input variable: $_REQUEST[$field['name']]

$_REQUEST[$field['name']] not unslashed before sanitization. Use wp_unslash() or similar

Detected usage of a non-sanitized input variable: $_REQUEST[$field['name']]

Detected usage of tax_query, possible slow query.