description: Redirection from an HTTP connection to a "data:" URL assigns the referring site's origin to the "data:" URL in some circumstances. This can result in same-origin violations against a domain if it loads resources from malicious sites. Cross-origin setting of cookies has been demonstrated without the ability to read them. Note: This issue only affects Firefox 49 and 50. This vulnerability affects Firefox < 50.0.1.
problem types: data: URL can inherit wrong origin after an HTTP redirect
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 50.0.1, status: affected, version: unspecified, versionType: custom
}