Sandboxed iframes

The sandbox attribute for the <iframe> HTML element sets many security restrictions on the iframe, such as preventing form submissions or opening modal dialogs. Optional allow- values relax specific restrictions.

Baseline Status: Achieved Widely Available on Jan 29, 2018 (Cross-browser Newly Available since Jul 29, 2015).

Desktop Browser Engine Support

Google Chrome

5

Supported

Mozilla Firefox

17

Supported

Apple Safari

5

Supported

Microsoft Edge

12

Supported

Mobile Browser Engine Support

Chrome Android

18

Firefox Android

17

Safari iOS

4

Specifications and References

Specification ↗ Specification ↗ Can I Use (iframe-sandbox) ↗ Feature XML ↗

MDN Browser Compat Data Keys: