🛡️ CVE-2022-31738
🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-290 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CWE CWE-290
Public Exploit ✅ No
Source NVD
Published 2022-12-22
Updated 2026-06-08
Modified 2025-04-16
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox 101
firefox-esr 91.10
thunderbird 91.10

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