CVE-2022-31738

Mozilla: Browser window spoof using fullscreen mode

Published Dec 22, 2022 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3040-1 firefox-esr security update
Debian DLA Debian DLA DLA-3041-1 thunderbird security update
Debian DSA Debian DSA DSA-5156-1 firefox-esr security update
Debian DSA Debian DSA DSA-5158-1 thunderbird security update
EUVD EUVD EUVD-2022-53136 When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
Ubuntu USN Ubuntu USN USN-5475-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5512-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 16, 2025, 1:54 PM
Reserved
May 26, 2022, 12:00 AM
Status
Modified
Published
Dec 22, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:46 AM
Severity
Important
Public date
May 31, 2022, 12:00 AM