This guidance applies specifically to the page where you embed the Zoom meeting shortcode and not to other plugin pages or shortcodes.
​[zoom_api_link meeting_id="[meeting_id]"]
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To embed third-party tools, such as external YouTube videos or iframes from different domains, you need to add the credentialless attribute to your <script> and <iframe> elements on the Zoom meeting page starting from plugin version 7.4.0
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This is necessary because Zoom requires cross-origin isolation to enable advanced features like gallery view and 720p video resolution. Without this, resources from other domains may fail to load and display an error message.
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To bypass this restriction and successfully embed third-party tools on the Zoom meeting page, use the following methods:

Using the credentialless attribute ensures that both the Zoom meeting and third-party scripts are loaded without credentials, maintaining the necessary cross-origin isolation for secure embedding.