description: Content Security Policy combined with HTTP to HTTPS redirection can be used by malicious server to verify whether a known site is within a user's browser history. This vulnerability affects Firefox < 50.
problem types: Probe browser history via HSTS/301 redirect + CSP
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 50, status: affected, version: unspecified, versionType: custom
}