8.8
CWE
276
Advisory Published
CVE Published
Updated

CVE-2022-29909

First published: Tue May 03 2022(Updated: )

Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Thunderbird<91.9
91.9
Firefox<100.0
Firefox ESR<91.9
Thunderbird<91.9
Firefox<100
100
Firefox ESR<91.9
91.9

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2022-29909?

    CVE-2022-29909 is considered to have high severity due to its potential to allow unauthorized permission inheritance in cross-origin contexts.

  • How do I fix CVE-2022-29909?

    To mitigate CVE-2022-29909, update your Mozilla Firefox or Thunderbird to versions beyond 91.9 for ESR and 100 for standard releases.

  • What products are affected by CVE-2022-29909?

    CVE-2022-29909 affects Mozilla Firefox up to version 100, Mozilla Firefox ESR up to version 91.9, and Mozilla Thunderbird up to version 91.9.

  • What kind of security risk does CVE-2022-29909 pose?

    CVE-2022-29909 poses a security risk by potentially allowing documents in deeply-nested cross-origin browsing contexts to inherit permissions without prompts.

  • Can I check if my current Firefox version is vulnerable to CVE-2022-29909?

    Yes, you can check your Firefox version under the 'About' section, and if it is below version 100, it is vulnerable to CVE-2022-29909.

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