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react-devtools-core

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Medium, CVSS 6.9npmAmendedPublished

    React Developer Tools extension Improper Authorization vulnerability

    CVE-2023-5654 · GHSA-rxrc-rgv4-jpvx

    Affected
    • npm react-devtools-core < 4.28.4
    Fixed in
    4.28.4· Vendor fix available
    Issue
    The React Developer Tools extension registers a message listener with window.addEventListener('message', <listener) in a content script that is accessible to any webpage that is active in the browser. Within the listener is code that requests a URL derived from the received message via fetch(). The URL is not validated or sanitised before it is fetched, thus allowing a malicious web page to arbitrarily fetch URL’s via the victim's browser.

    Recommended action: Upgrade to 4.28.4 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:osv.dev (1)github.com (2)Source checked Evidence →