diff --git a/app/assets/javascripts/02-editor.js b/app/assets/javascripts/02-editor.js
index 7e27e269..e7359d5b 100644
--- a/app/assets/javascripts/02-editor.js
+++ b/app/assets/javascripts/02-editor.js
@@ -279,6 +279,9 @@ function fixContent (contentEl) {
  *  * Junta nodos de texto que están al lado
  *  * Junta nodos de la misma "mark" que están al lado
  *  * Borra elementos sin contenido (ver `hasContent`) y no están seleccionados
+ *  * Borra inline styles no autorizados
+ *  * Borra propiedades de IMG no autorizadas
+ *  * Borra <FONT> y <STYLE>
  */
 function cleanNode (node, contentEl) {
 	for (const child of node.childNodes) {
@@ -320,6 +323,30 @@ function cleanNode (node, contentEl) {
 					&& parentEl.tagName !== "OL"
 				)
 					moveChildren(child, parentEl, child.nextSibling)
+			} else if (child.tagName === "IMG") {
+				if (child.getAttribute("width")) child.removeAttribute("width")
+				if (child.getAttribute("height")) child.removeAttribute("height")
+				if (child.getAttribute("vspace")) child.removeAttribute("vspace")
+				if (child.getAttribute("hspace")) child.removeAttribute("hspace")
+				if (child.align.length) child.removeAttribute("align")
+				if (child.name.length) child.removeAttribute("name")
+				if (!child.src.length) child.src = "https://radio.sutty.nl/public/placeholder_992x992.png"
+			} else if (child.tagName === "FONT") {
+				moveChildren(child, child.parentElement, child.nextSiling)
+				child.parentElement.removeChild(child)
+				return
+			} else if (child.tagName === "STYLE") {
+				child.parentElement.removeChild(child)
+				return
+			}
+
+			for (const style of Object.values(child.style)) {
+				const value = child.style[style]
+
+				switch (style) {
+					default:
+						child.style[style] = ""
+				}
 			}
 		}
 		cleanNode(child, contentEl)