CVE-2022-29911

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

An improper implementation of the new iframe sandbox keyword <code>allow-top-navigation-by-user-activation</code> could lead to script execution without <code>allow-scripts</code> being present. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-1021

Affected software

Vendor	Product	Versions
Mozilla	Thunderbird	>= unspecified, < 91.9
Mozilla	Firefox ESR	>= unspecified, < 91.9
Mozilla	Firefox	>= unspecified, < 100

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1761981Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-16/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-17/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-18/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1761981Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-16/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-17/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-18/Vendor Advisory

Timeline

Published: Dec 22, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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