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CVE-2020-4077

CVE-2020-4077 · Context isolation bypass via contextBridge in Electron

This page contains facts from public vulnerability sources. Check the original advisory before updating.

In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, there is a context isolation bypass. Code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions. Apps using both `contextIsolation` and `contextBridge` are affected. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4.

CVSS 7.7 · High · EPSS 1.0% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • electron

    Versions
    • >= 9.0.0-beta.0, <= 9.0.0-beta.20: Affected
    • >= 8.0.0, < 8.2.4: Affected
    • < 7.2.4: Affected

    No fix published

  • electron npm

    Affected ranges
    • SEMVER: < 7.2.4

    Update to 7.2.4

  • electron npm

    Affected ranges
    • SEMVER: ≥ 8.0.0, < 8.2.4

    Update to 8.2.4

Original sources

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