How to fix 'This CKEditor 4.22.1 version is not secure. Consider upgrading to the latest one, 4.24.0-lts'

You can download the latest LTS (Long-Term Support) version, which should be 4.24.0-lts, then extract the downloaded CKEditor package.

Next, Replace the old CKEditor files in your project with the new files from the extracted package.

Adding config.versionCheck = false; to your config.js file in CKEditor can disable the version check notifications.

However, while this can stop the warning messages, it does not actually update your CKEditor to a secure version. It’s generally a good idea to address the security warning by upgrading to the latest version.

<script>
    jQuery(function ($) {
        CKEDITOR.replace('editor', {
        });
        CKEDITOR.config.versionCheck = false;
    });
</script>

Html file

<textarea id="editor" class="form-control"></textarea>

Find the config.js file in your CKEditor directory. This file is typically found in the root of the CKEditor installation directory.

// ckeditor/config.js

CKEDITOR.editorConfig = function( config ) {
    config.versionCheck = false;
};