1 files changed, 4 insertions, 1 deletions
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index 29d7227dee9..ac3b715802f 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -3396,7 +3396,10 @@ impl DocumentMethods for Document {
 
         let entry_responsible_document = GlobalScope::entry().as_window().Document();
 
-        if !self.origin.same_origin(&entry_responsible_document.origin) {
+        // This check should probably be same-origin-domain
+        // https://github.com/whatwg/html/issues/2282
+        // https://github.com/whatwg/html/pull/2288
+        if !self.origin.same_origin_domain(&entry_responsible_document.origin) {
             // Step 4.
             return Err(Error::Security);
         }