8.8
Advisory Published
CVE Published
Updated

CVE-2021-30558: Insufficient policy enforcement in content security policy

First published: Wed Dec 19 2018(Updated: )

Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chrome security severity: Medium)

Credit: chrome-cve-admin@google.com Jun Kokatsu Microsoft Browser Vulnerability Research chrome-cve-admin@google.com

Affected SoftwareAffected VersionHow to fix
Google Chrome (Trace Event)<91.0.4472.77
91.0.4472.77
Google Chrome (Trace Event)<91.0.4472.77

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-30558?

    The severity of CVE-2021-30558 is classified as Medium.

  • How do I fix CVE-2021-30558?

    To fix CVE-2021-30558, update Google Chrome to version 91.0.4472.77 or later.

  • What is the impact of CVE-2021-30558?

    CVE-2021-30558 could allow a remote attacker to bypass content security policies via a crafted HTML page.

  • Which versions of Google Chrome are affected by CVE-2021-30558?

    Google Chrome versions prior to 91.0.4472.77 are affected by CVE-2021-30558.

  • Is CVE-2021-30558 a browser vulnerability?

    Yes, CVE-2021-30558 is a vulnerability found in the Google Chrome web browser.

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