Simple Google Sitemap XML

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

Missing $domain parameter in function call to _e().

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

Offloading images, js, css, and other scripts to your servers or any remote service is disallowed.

Offloading images, js, css, and other scripts to your servers or any remote service is disallowed.

Functions declared in the global namespace by a theme/plugin should start with the theme/plugin prefix. Found: "activate_gsxml".

Tested up to: 3.5 < 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.

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

Unescaped parameter $query used in $wpdb->get_results($query)\n$query assigned unsafely at line 72:\n $query = "SELECT year(post_modified) AS y, month(post_modified) AS m, day(post_modified) AS d, ID,post_title, post_modified,post_name, post_type, post_parent FROM $table_name WHERE post_status = 'publish' AND (post_type = 'page' OR post_type = 'post') ORDER BY post_date DESC"\n$table_name assigned unsafely at line 71:\n $table_name = $wpdb->prefix . "posts"

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