Site Isolation Bypass Affecting electron Open this link in a new tab package, versions <7.2.2 >=8.0.0-beta.1 <8.2.1

  • Attack Complexity


  • Availability


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  • snyk-id


  • published

    15 Apr 2020

  • disclosed

    8 Apr 2020

  • credit


Introduced: 8 Apr 2020

CWE-284 Open this link in a new tab

How to fix?

Upgrade electron to version 7.2.2, 8.2.1 or higher.


electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS.

Affected versions of this package are vulnerable to Site Isolation Bypass. parent_execution_origin_ is provided from parent's RenderFrameHostImpl::last_committed_origin_ that is set during navigation commit. Worker creation IPC from the renderer to browser could race with navigation commit, and could see the wrong last committed origin.