How we built it

Restrict framebusting ability by requiring a relevant user gesture unless it is same-origin to the parent

Summary Content in an <iframe> can generally navigate the top level browsing context unless explicitly forbidden by the sandbox attribute (sometimes called 'framebusting'). Restrict this ability to content that is processing a user gesture, unless it is same-origin to the parent. Motivation Framebusting was originally used by content that wanted to prevent being placed in an <iframe> but it's being abused. There are other, more specific tools to accomplish the original use case.

Documentation

Status in Chromium

In development

Consensus & Standardization

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Last updated on 2016-08-23