CVE-2022-29909

Mozilla: Bypassing permission prompt in nested browsing contexts

Published Dec 22, 2022 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2994-1 firefox-esr security update
Debian DLA Debian DLA DLA-3020-1 thunderbird security update
Debian DSA Debian DSA DSA-5129-1 firefox-esr security update
Debian DSA Debian DSA DSA-5141-1 thunderbird security update
EUVD EUVD EUVD-2022-34219 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.
Ubuntu USN Ubuntu USN USN-5411-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5435-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 16, 2025, 1:47 PM
Reserved
Apr 29, 2022, 12:00 AM
Status
Modified
Published
Dec 22, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:40 AM
Severity
Important
Public date
May 3, 2022, 12:00 AM