Add Meta Tag Keywords

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

Unescaped parameter $prefix_postmeta used in $wpdb->get_results("DELETE FROM ".$prefix_postmeta." WHERE meta_key = 'hrd_post_meta_tag_keywords' ")\n$prefix_postmeta assigned unsafely at line 185:\n $prefix_postmeta = $wpdb->prefix.'postmeta'\n$delete_meta_value assigned unsafely at line 186:\n $delete_meta_value = $wpdb->get_results("DELETE FROM ".$prefix_postmeta." WHERE meta_key = 'hrd_post_meta_tag_keywords' ")

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

Tested up to: 6.1 < 6.8. The "Tested up to" value in your plugin is not set to the current version of WordPress. This means your plugin will not show up in searches, as we require plugins to be compatible and documented as tested up to the most recent version of WordPress.

Unescaped parameter $prefix_post used in $wpdb->get_results("SELECT DISTINCT post_type FROM ".$prefix_post." WHERE post_type!='revision'")\n$prefix_post assigned unsafely at line 17:\n $prefix_post = $wpdb->prefix.'posts'\n$post_type assigned unsafely at line 18:\n $post_type = $wpdb->get_results("SELECT DISTINCT post_type FROM ".$prefix_post." WHERE post_type!='revision'")

Detected usage of a non-sanitized input variable: $_POST[&#039;hrd_post_meta_tag_keywords&#039;]

Processing form data without nonce verification.

Detected usage of a possibly undefined superglobal array index: $_POST[&#039;hrd_checkbox&#039;]. Use isset() or empty() to check the index exists before using it

$_POST[&#039;hrd_checkbox&#039;] not unslashed before sanitization. Use wp_unslash() or similar

Detected usage of a non-sanitized input variable: $_POST[&#039;hrd_checkbox&#039;]