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codebytere avatar codebytere commented on May 18, 2024

See here:

electron/docs/tutorial/security.md

Lines 228 to 249 in 3ec04fd

### 3. Enable Context Isolation
:::info
This recommendation is the default behavior in Electron since 12.0.0.
:::
Context isolation is an Electron feature that allows developers to run code
in preload scripts and in Electron APIs in a dedicated JavaScript context. In
practice, that means that global objects like `Array.prototype.push` or
`JSON.parse` cannot be modified by scripts running in the renderer process.
Electron uses the same technology as Chromium's [Content Scripts](https://developer.chrome.com/extensions/content_scripts#execution-environment)
to enable this behavior.
Even when `nodeIntegration: false` is used, to truly enforce strong isolation
and prevent the use of Node primitives `contextIsolation` **must** also be used.
:::info
For more information on what `contextIsolation` is and how to enable it please
see our dedicated [Context Isolation](context-isolation.md) document.
:::info

from electron.

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