When injecting an HTML base element, some requests would ignore the CSP’s base-uri settings and accept the injected element’s base instead. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
[
{
"vendor": "Mozilla",
"product": "Firefox ESR",
"versions": [
{
"version": "unspecified",
"lessThan": "102.3",
"status": "affected",
"versionType": "custom"
}
]
},
{
"vendor": "Mozilla",
"product": "Thunderbird",
"versions": [
{
"version": "unspecified",
"lessThan": "102.3",
"status": "affected",
"versionType": "custom"
}
]
},
{
"vendor": "Mozilla",
"product": "Firefox",
"versions": [
{
"version": "unspecified",
"lessThan": "105",
"status": "affected",
"versionType": "custom"
}
]
}
]