diff --git a/app/src/main/java/org/apache/roller/weblogger/util/MediacastUtil.java b/app/src/main/java/org/apache/roller/weblogger/util/MediacastUtil.java
index 0484eb72f..c311d36ea 100644
--- a/app/src/main/java/org/apache/roller/weblogger/util/MediacastUtil.java
+++ b/app/src/main/java/org/apache/roller/weblogger/util/MediacastUtil.java
@@ -18,7 +18,9 @@
 
 package org.apache.roller.weblogger.util;
 
+import io.github.pixee.security.HostValidator;
 import static io.github.pixee.security.Newlines.stripAll;
+import io.github.pixee.security.Urls;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
@@ -55,7 +57,7 @@ public static MediacastResource lookupResource(String url)
         
         MediacastResource resource = null;
         try {
-            HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();
+            HttpURLConnection con = (HttpURLConnection) Urls.create(url, Urls.HTTP_PROTOCOLS, HostValidator.DENY_COMMON_INFRASTRUCTURE_TARGETS).openConnection();
             con.setRequestMethod("HEAD");
             int response = con.getResponseCode();
             String message = con.getResponseMessage();