CVE-2022-29909

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

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. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-276

Affected software

No affected versions have been published.

Timeline

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

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CVE-2022-29909: High severity, CVSS 8.8 | Vulnix