please analyze this code found on my server and tell me if it is clean for any suspicious hacker's code : Plume Libre Montcalm - Top

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<div> </div><div><img class="mce-item-media mce-item-iframe" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" width="100%" height="900 px" data-mce-json="{"iframe":{"src":"https://plumelibre.ca/vid2021/index.php","width":"100%","height":"900 px","frameborder":"0","scrolling":"no","allowfullscreen":"allowfullscreen"}}"></img></div>