A phishing site could have repurposed an about:
dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "122",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "115.7",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]