Logins saved by Firefox should be managed by the Password Manager component which uses encryption to save files on-disk. Instead, the username (not password) was saved by the Form Manager to an unencrypted file on disk. This vulnerability affects Firefox < 106.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "106",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]