diff --git content/browser/renderer_host/render_frame_host_impl.cc content/browser/renderer_host/render_frame_host_impl.cc
index 3821695f6561f..3cd78bf565086 100644
--- content/browser/renderer_host/render_frame_host_impl.cc
+++ content/browser/renderer_host/render_frame_host_impl.cc
@@ -10854,6 +10854,7 @@ void RenderFrameHostImpl::CommitNavigation(
   auto browser_calc_origin_to_commit =
       navigation_request->GetOriginToCommitWithDebugInfo();
   if (!process_lock.is_error_page() && !is_mhtml_subframe &&
+      common_params->url.IsStandard() &&
       !policy->CanAccessOrigin(
           GetProcess()->GetID(), browser_calc_origin_to_commit.first.value(),
           ChildProcessSecurityPolicyImpl::AccessType::kCanCommitNewOrigin)) {