diff --git a/Tests/LibWeb/Text/expected/HTML/crossOrigin-attribute.txt b/Tests/LibWeb/Text/expected/HTML/crossOrigin-attribute.txt
new file mode 100644
index 00000000000..ecb74f0c131
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/HTML/crossOrigin-attribute.txt
@@ -0,0 +1,21 @@
+audio crossOrigin initial value: null
+audio crossOrigin value after setting to "invalid": anonymous
+audio crossOrigin value after setting to "use-credentials": use-credentials
+audio crossOrigin value after setting to null: null
+audio crossOrigin value after setting to "USE-CREDENTIALS": use-credentials
+audio crossOrigin value after setting to "": anonymous
+audio crossOrigin value after calling removeAttribute: null
+script crossOrigin initial value: null
+script crossOrigin value after setting to "invalid": anonymous
+script crossOrigin value after setting to "use-credentials": use-credentials
+script crossOrigin value after setting to null: null
+script crossOrigin value after setting to "USE-CREDENTIALS": use-credentials
+script crossOrigin value after setting to "": anonymous
+script crossOrigin value after calling removeAttribute: null
+video crossOrigin initial value: null
+video crossOrigin value after setting to "invalid": anonymous
+video crossOrigin value after setting to "use-credentials": use-credentials
+video crossOrigin value after setting to null: null
+video crossOrigin value after setting to "USE-CREDENTIALS": use-credentials
+video crossOrigin value after setting to "": anonymous
+video crossOrigin value after calling removeAttribute: null
diff --git a/Tests/LibWeb/Text/input/HTML/crossOrigin-attribute.html b/Tests/LibWeb/Text/input/HTML/crossOrigin-attribute.html
new file mode 100644
index 00000000000..8289299c744
--- /dev/null
+++ b/Tests/LibWeb/Text/input/HTML/crossOrigin-attribute.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<script src="../include.js"></script>
+<script>
+    test(() => {
+        for (let elementName of ["audio", "script", "video"]) {
+          const element = document.createElement(elementName);
+          println(`${elementName} crossOrigin initial value: ${element.crossOrigin}`);
+          element.crossOrigin = "invalid";
+          println(`${elementName} crossOrigin value after setting to "invalid": ${element.crossOrigin}`);
+          element.crossOrigin = "use-credentials";
+          println(`${elementName} crossOrigin value after setting to "use-credentials": ${element.crossOrigin}`);
+          element.crossOrigin = null;
+          println(`${elementName} crossOrigin value after setting to null: ${element.crossOrigin}`);
+          element.crossOrigin = "USE-CREDENTIALS";
+          println(`${elementName} crossOrigin value after setting to "USE-CREDENTIALS": ${element.crossOrigin}`);
+          element.crossOrigin = "";
+          println(`${elementName} crossOrigin value after setting to "": ${element.crossOrigin}`);
+          element.removeAttribute("crossOrigin");
+          println(`${elementName} crossOrigin value after calling removeAttribute: ${element.crossOrigin}`);
+        }
+    });
+</script>
diff --git a/Userland/Libraries/LibWeb/HTML/Scripting/Fetching.idl b/Userland/Libraries/LibWeb/HTML/Scripting/Fetching.idl
index 8519922558a..11c9e5a60e7 100644
--- a/Userland/Libraries/LibWeb/HTML/Scripting/Fetching.idl
+++ b/Userland/Libraries/LibWeb/HTML/Scripting/Fetching.idl
@@ -1,7 +1,6 @@
 // https://html.spec.whatwg.org/multipage/urls-and-fetching.html#cors-settings-attribute
-[MissingValueDefault=, InvalidValueDefault=anonymous]
+[InvalidValueDefault=anonymous]
 enum CORSSettingsAttribute {
     "anonymous",
-    "",
     "use-credentials"
 };
