When a network error occurred during page load, the prior content could have remained in view with a blank URL bar. This could have been used to obfuscate a spoofed web site. This vulnerability affects Firefox < 126.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "126",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]