avm1: ExternalInterface properties are read only

Dinnerbone · Sep 4, 2020 · 151b13a · 151b13a
1 parent 4de2b7f
commit 151b13a
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/core/src/avm1/globals/external_interface.rs b/core/src/avm1/globals/external_interface.rs
@@ -81,22 +81,22 @@ pub fn create_external_interface_object<'gc>(
             fn_proto,
         ),
         None,
-        Attribute::DontDelete | Attribute::DontEnum,
+        Attribute::DontDelete | Attribute::DontEnum | Attribute::ReadOnly,
     );
 
     object.force_set_function(
         "addCallback",
         add_callback,
         gc_context,
-        Attribute::DontDelete | Attribute::DontEnum,
+        Attribute::DontDelete | Attribute::DontEnum | Attribute::ReadOnly,
         Some(fn_proto),
     );
 
     object.force_set_function(
         "call",
         call,
         gc_context,
-        Attribute::DontDelete | Attribute::DontEnum,
+        Attribute::DontDelete | Attribute::DontEnum | Attribute::ReadOnly,
         Some(fn_proto),
     );