Update frame.js (#2943)

dart-lang · Jun 11, 2024 · 0714ecb · 0714ecb
1 parent 520e136
commit 0714ecb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkgs/dartpad_ui/web/frame.js b/pkgs/dartpad_ui/web/frame.js
@@ -20,7 +20,7 @@ function replaceJavaScript(value) {
 // Handles incoming messages.
 function messageHandler(e) {
   var obj = e.data;
-
+  if (window.origin !== 'null' || e.source !== window.parent) return;
   if (obj.command === 'execute') {
     runFlutterApp(obj.js, obj.canvasKitBaseUrl);
   }