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BrowserView window.open() Vulnerability Fix

· Eine Minute Lesezeit
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A code vulnerability has been discovered that allows Node to be re-enabled in child windows.

Opening a BrowserView with sandbox: true or nativeWindowOpen: true and nodeIntegration: false results in a webContents where window.open can be called and the newly opened child window will have nodeIntegration enabled. This vulnerability affects all supported versions of Electron.

Mitigation​

We've published new versions of Electron which include fixes for this vulnerability: 2.0.17, 3.0.15, 3.1.3, 4.0.4, and 5.0.0-beta.2. We encourage all Electron developers to update their apps to the latest stable version immediately.

If for some reason you are unable to upgrade your Electron version, you can mitigate this issue by disabling all child web contents:

view.webContents.on('-add-new-contents', (e) => e.preventDefault());

Further Information​

This vulnerability was found and reported responsibly to the Electron project by PalmerAL.

Um mehr über Best Practices für die Sicherheit Ihrer Electron-Apps zu erfahren, lesen Sie unsere -Sicherheitshinweise.

If you wish to report a vulnerability in Electron, email security@electronjs.org.