CVE-2022-31738

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.

Affected Platforms

Weakness Type

CWE-290, CWE-290

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1756388
• https://www.mozilla.org/security/advisories/mfsa2022-20/
• https://www.mozilla.org/security/advisories/mfsa2022-21/
• https://www.mozilla.org/security/advisories/mfsa2022-22/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1756388
• https://www.mozilla.org/security/advisories/mfsa2022-20/