1 files changed, 8 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/workers/dedicated_worker.cc b/chromium/third_party/blink/renderer/core/workers/dedicated_worker.cc
index 7f4cf6368c8..21d27a9c1e0 100644
--- a/chromium/third_party/blink/renderer/core/workers/dedicated_worker.cc
+++ b/chromium/third_party/blink/renderer/core/workers/dedicated_worker.cc
@@ -76,6 +76,14 @@ DedicatedWorker* DedicatedWorker::Create(ExecutionContext* context,
     return nullptr;
   }
 
+  auto origin = SecurityOrigin::Create(script_request_url);
+  if (origin->IsBroken()) {
+      exception_state.ThrowDOMException(
+          DOMExceptionCode::kNotSupportedError,
+          "Access to dedicated workers is denied to origin '" + origin->ToString() + "'.");
+      return nullptr;
+  }
+
   if (context->IsWorkerGlobalScope())
     UseCounter::Count(context, WebFeature::kNestedDedicatedWorker);