diff --git a/Libraries/LibWeb/HTML/Navigable.cpp b/Libraries/LibWeb/HTML/Navigable.cpp
index 047cf37a293..ed98f6fda9b 100644
--- a/Libraries/LibWeb/HTML/Navigable.cpp
+++ b/Libraries/LibWeb/HTML/Navigable.cpp
@@ -1342,6 +1342,10 @@ WebIDL::ExceptionOr<void> Navigable::populate_session_history_entry_document(
 
 WebIDL::ExceptionOr<void> Navigable::navigate(NavigateParams params)
 {
+    // AD-HOC: Not in the spec but subsequent steps will fail if the navigable doesn't have an active window.
+    if (!active_window())
+        return {};
+
     auto source_document = params.source_document;
     auto exceptions_enabled = params.exceptions_enabled;
     auto& active_document = *this->active_document();
diff --git a/Tests/LibWeb/Assets/blank.html b/Tests/LibWeb/Assets/blank.html
new file mode 100644
index 00000000000..530d73115de
--- /dev/null
+++ b/Tests/LibWeb/Assets/blank.html
@@ -0,0 +1 @@
+<div>blank page</div>
diff --git a/Tests/LibWeb/Crash/HTML/navigate-navigable-without-active-window.html b/Tests/LibWeb/Crash/HTML/navigate-navigable-without-active-window.html
new file mode 100644
index 00000000000..c36a9a7c15d
--- /dev/null
+++ b/Tests/LibWeb/Crash/HTML/navigate-navigable-without-active-window.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+
+<body></body>
+<script>
+    function test(name) {
+        const form = document.body.appendChild(document.createElement("form"));
+        const target = document.createElement("iframe");
+        target.name = name;
+        form.action = "../../Assets/blank.html";
+        document.body.appendChild(target);
+        form.target = target.name;
+        form.submit();
+        target.addEventListener("load", () => {
+            document.body.removeChild(form);
+            document.body.removeChild(target);
+        });
+    }
+    test("1");
+    test("2");
+    test("3");
+</script>
