| Opener / Openee | Same origin - unsafe-none | Same origin - allow-popups | Same origin - Same origin | Cross origin - unsafe-none | Cross origin - allow-popups | Cross origin - same-origin |
|---|---|---|---|---|---|---|
| Top level - unsafe-none | Y | N | N | Y | N | N |
| Top level - allow-popups | Y | Y | N | Y | N | N |
| Top level - same-origin | N | N | Y | N | N | N |
| Same origin iframe - unsafe-none | Y | N | N | Y | N | N |
| Same origin iframe - allow-popups | Y | Y | N | Y | N | N |
| Same origin iframe - same-origin | N | N | Y | N | N | N |
| Cross origin iframe - unsafe-none | Y | N | N | Y | N | N |
| Cross origin iframe - allow-popups | Y | N | N | Y | N | N |
| Cross origin iframe - same-origin | N | N | N | N | N | N |