![Restricting cross-origin iframe navigation to external protocols with permissions policy · Issue #6111 · whatwg/html · GitHub Restricting cross-origin iframe navigation to external protocols with permissions policy · Issue #6111 · whatwg/html · GitHub](https://user-images.githubusercontent.com/2622601/97371812-6bfe3800-18b2-11eb-8338-43297283dd0e.png)
Restricting cross-origin iframe navigation to external protocols with permissions policy · Issue #6111 · whatwg/html · GitHub
GitHub - MTG/cross-origins-iframe-chrome-tests: Recent versions of chrome (> 64) block media access from iframes loaded from a cross domain unless permission is explicitly given: https://sites.google.com/a/chromium.org/dev/Home/chromium-security ...
![An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can remove its sandboxing - Development - Mozilla Discourse An iframe which has both allow-scripts and allow-same-origin for its sandbox attribute can remove its sandboxing - Development - Mozilla Discourse](https://discourse-prod-uploads-81679984178418.s3.dualstack.us-west-2.amazonaws.com/original/3X/a/9/a9f9feabd039d955ebeb0bf31b31e2a4561ffceb.png)