A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.
{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "115.0+build2-0ubuntu0.20.04.3",
            "binary_name": "firefox"
        },
        {
            "binary_version": "115.0+build2-0ubuntu0.20.04.3",
            "binary_name": "firefox-dev"
        },
        {
            "binary_version": "115.0+build2-0ubuntu0.20.04.3",
            "binary_name": "firefox-geckodriver"
        },
        {
            "binary_version": "115.0+build2-0ubuntu0.20.04.3",
            "binary_name": "firefox-mozsymbols"
        }
    ]
}