CVE-2022-40959

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

Score

CVSS 3.1 6.5 Medium

Status

Modified - security@mozilla.org

Published

2022-12-22

Last modified

2025-04-15

Weaknesses

CWE-922

Affected products

• Firefox (Mozilla)
• Firefox Esr (Mozilla)
• Thunderbird (Mozilla)

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1782211
• https://www.mozilla.org/security/advisories/mfsa2022-40/
• https://www.mozilla.org/security/advisories/mfsa2022-41/
• https://www.mozilla.org/security/advisories/mfsa2022-42/