Besteht eine Verpflichtung zur Freigabe des Videobilds?

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<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>Viskonz GmbH</provider_name><provider_url>https://backup.viskonz.de</provider_url><title>Besteht eine Verpflichtung zur Freigabe des Videobilds? - Viskonz GmbH</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="8uAeXcqj2m"&gt;&lt;a href="https://backup.viskonz.de/wissenswertes/zusaetzliche-ressourcen/"&gt;Besteht eine Verpflichtung zur Freigabe des Videobilds?&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://backup.viskonz.de/wissenswertes/zusaetzliche-ressourcen/embed/#?secret=8uAeXcqj2m" width="600" height="338" title="&#x201E;Besteht eine Verpflichtung zur Freigabe des Videobilds?&#x201C; &#x2014; Viskonz GmbH" data-secret="8uAeXcqj2m" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script type="text/javascript"&gt;
/**
 * WordPress inline HTML embed
 *
 * @since 4.4.0
 * @output wp-includes/js/wp-embed.js
 *
 * This file cannot have ampersands in it. This is to ensure
 * it can be embedded in older versions of WordPress.
 * See https://core.trac.wordpress.org/changeset/35708.
 */
(function ( window, document ) {
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	var supportedBrowser = false,
		loaded = false;

		if ( document.querySelector ) {
			if ( window.addEventListener ) {
				supportedBrowser = true;
			}
		}

	/** @namespace wp */
	window.wp = window.wp || {};

	if ( !! window.wp.receiveEmbedMessage ) {
		return;
	}

	/**
	 * Receive embed message.
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	 * @param {MessageEvent} e
	 */
	window.wp.receiveEmbedMessage = function( e ) {
		var data = e.data;

		if ( ! data ) {
			return;
		}

		if ( ! ( data.secret || data.message || data.value ) ) {
			return;
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			/* Resize the iframe on request. */
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				height = parseInt( data.value, 10 );
				if ( height &gt; 1000 ) {
					height = 1000;
				} else if ( ~~height &lt; 200 ) {
					height = 200;
				}

				source.height = height;
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			/* Link to a specific URL on request. */
			if ( 'link' === data.message ) {
				sourceURL = document.createElement( 'a' );
				targetURL = document.createElement( 'a' );

				sourceURL.href = source.getAttribute( 'src' );
				targetURL.href = data.value;

				/* Only follow link if the protocol is in the allow list. */
				if ( ! allowedProtocols.test( targetURL.protocol ) ) {
					continue;
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				/* Only continue if link hostname matches iframe's hostname. */
				if ( targetURL.host === sourceURL.host ) {
					if ( document.activeElement === source ) {
						window.top.location.href = data.value;
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	};

	function onLoad() {
		if ( loaded ) {
			return;
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		loaded = true;

		var isIE10 = -1 !== navigator.appVersion.indexOf( 'MSIE 10' ),
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			iframes = document.querySelectorAll( 'iframe.wp-embedded-content' ),
			iframeClone, i, source, secret;

		for ( i = 0; i &lt; iframes.length; i++ ) {
			/** @var {IframeElement} */
			source = iframes[ i ];

			secret = source.getAttribute( 'data-secret' );
			if ( ! secret ) {
				/* Add secret to iframe */
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				source.src += '#?secret=' + secret;
				source.setAttribute( 'data-secret', secret );
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			/* Remove security attribute from iframes in IE10 and IE11. */
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				iframeClone = source.cloneNode( true );
				iframeClone.removeAttribute( 'security' );
				source.parentNode.replaceChild( iframeClone, source );
			}

			/*
			 * Let post embed window know that the parent is ready for receiving the height message, in case the iframe
			 * loaded before wp-embed.js was loaded. When the ready message is received by the post embed window, the
			 * window will then (re-)send the height message right away.
			 */
			source.contentWindow.postMessage( {
				message: 'ready',
				secret: secret
			}, '*' );
		}
	}

	if ( supportedBrowser ) {
		window.addEventListener( 'message', window.wp.receiveEmbedMessage, false );
		document.addEventListener( 'DOMContentLoaded', onLoad, false );
		window.addEventListener( 'load', onLoad, false );
	}
})( window, document );
&lt;/script&gt;
</html><description>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Id eu nisl nunc mi. Sed nisi lacus sed viverra tellus in hac habitasse platea. Quam elementum pulvinar etiam non quam lacus suspendisse faucibus. Eleifend donec pretium vulputate sapien nec.</description></oembed>