CVE-2023-37207

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 115 Firefox ESR versions prior to 102.13 Thunderbird versions prior to 102.13

Description A website could obscure the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could lead to user confusion and possible spoofing attacks. The issue is related to insufficient warning about potentially dangerous actions, which could allow a remote attacker to perform a spoofing attack.

Recommendations For Firefox versions prior to 115, update to version 115 or later to resolve the issue. For Firefox ESR versions prior to 102.13, update to version 102.13 or later to resolve the issue. For Thunderbird versions prior to 102.13, update to version 102.13 or later to resolve the issue.