description: A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
problem types: Extension APIs could be used to bypass Same-Origin Policy
affected:
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 78.1, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 79, status: affected, version: unspecified, versionType: custom
}
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 78.1, status: affected, version: unspecified, versionType: custom
}
