Frames need a title attribute that describes the frame's content or purpose. Add a title attribute to the iframe element for that. Even if the frame does not have content that is relevant to users, the frame's title should say that. If you do not, assistive technologies will simply announce the frame's URL to users.
That sounds like something doable, but that would require to modify the code. Do you have access to the support portal? The best way to proceed for this would be to raise a Feature Request for the product team to review the use case and evaluate the implementation of the feature.