- Plesk Onyx for Linux
If in WordPress third-party post editor is used (like TinyMCE Advanced https://wordpress.org/plugins/tinymce-advanced/ or Elementor https://wordpress.org/plugins/elementor/), the editor's interface is not fully loaded and it is not possible to edit posts in the WordPress Dashboard.
The following error can be found in the log file
CONFIG_TEXT: [error] 23560#0: *5116 access forbidden by rule, client: 203.0.113.2, server: example.com, request: "GET /wp-includes/js/tinymce/wp-tinymce.php?c=1&ver=4607-20171116-tadv-4.6.7 HTTP/2.0", host: "example.com", referrer: "https://example.com/wp-admin/post.php?post=198&action=edit"
The items Security of the wp-includes folder and Security of the wp-content folder are applied in Domains > example.com > WordPress > select the WordPress installation > Check Security.
Expected behavior. Above the mentioned items in Check Security, it is stated that some plugins might break because of them:
CONFIG_TEXT: It is recommended that you secure the items below for improving WordPress security, but some of your plugins might stop working because of this. These changes can be rolled back.
Log into Plesk and roll back the items Security of the wp-includes folder and Security of the wp-content folder in Domains > example.com > WordPress > select the WordPress installation > Check Security.