diff -r 34716fd837a4 -r be944660c56a wp/wp-admin/js/media-gallery.min.js
--- a/wp/wp-admin/js/media-gallery.min.js	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-admin/js/media-gallery.min.js	Wed Sep 21 18:19:35 2022 +0200
@@ -1,2 +1,2 @@
 /*! This file is auto-generated */
-jQuery(function(o){o("body").bind("click.wp-gallery",function(a){var e,t,n=o(a.target);n.hasClass("wp-set-header")?((window.dialogArguments||opener||parent||top).location.href=n.data("location"),a.preventDefault()):n.hasClass("wp-set-background")&&(e=n.data("attachment-id"),t=o('input[name="attachments['+e+'][image-size]"]:checked').val(),jQuery.post(ajaxurl,{action:"set-background-image",attachment_id:e,size:t},function(){var a=window.dialogArguments||opener||parent||top;a.tb_remove(),a.location.reload()}),a.preventDefault())})});
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+jQuery(function(o){o("body").on("click.wp-gallery",function(a){var e,t,n=o(a.target);n.hasClass("wp-set-header")?((window.dialogArguments||opener||parent||top).location.href=n.data("location"),a.preventDefault()):n.hasClass("wp-set-background")&&(e=n.data("attachment-id"),t=o('input[name="attachments['+e+'][image-size]"]:checked').val(),n=o("#_wpnonce").val()&&"",jQuery.post(ajaxurl,{action:"set-background-image",attachment_id:e,_ajax_nonce:n,size:t},function(){var a=window.dialogArguments||opener||parent||top;a.tb_remove(),a.location.reload()}),a.preventDefault())})});
\ No newline at end of file