diff --git a/shell/browser/api/electron_api_web_contents.cc b/shell/browser/api/electron_api_web_contents.cc index 6a113c25ec643..6eefb05178744 100644 --- a/shell/browser/api/electron_api_web_contents.cc +++ b/shell/browser/api/electron_api_web_contents.cc @@ -1727,6 +1727,9 @@ void WebContents::MessageTo(int32_t web_contents_id, gin::Handle web_frame_main = WebFrameMain::From(JavascriptEnvironment::GetIsolate(), frame); + if (!web_frame_main->CheckRenderFrame()) + return; + int32_t sender_id = ID(); web_frame_main->GetRendererApi()->Message(false /* internal */, channel, std::move(arguments), sender_id);