Name of the Vulnerable Software and Affected Versions:
Firefox versions prior to 133
Firefox ESR versions prior to 128.5
Thunderbird versions prior to 133
Thunderbird versions prior to 128.5
Description:
The issue is related to incorrect restriction of visualized user interface layers, which could allow a remote attacker to conduct spoofing attacks. This could lead to user confusion and possible spoofing attacks by causing a select dropdown to be shown over another tab.
Recommendations:
For Firefox versions prior to 133, update to version 133 or later to resolve the issue.
For Firefox ESR versions prior to 128.5, update to version 128.5 or later to resolve the issue.
For Thunderbird versions prior to 133, update to version 133 or later to resolve the issue.
For Thunderbird versions prior to 128.5, update to version 128.5 or later to resolve the issue.