A combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image can be used to determine which pages a user has in their history. This can allow a malicious website to query user history. Note: This issue only affects Firefox 57. Earlier releases are not affected. This vulnerability affects Firefox < 57.0.1.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "57.0.1",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]