description: Even when an iframe was sandboxed with <code>allow-top-navigation-by-user-activation</code>, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate. This vulnerability affects Firefox < 102.
problem types: Sandboxed iframes could redirect to external schemes
affected:
{
vendor: Mozilla
product: Firefox
versions:
version: unspecified, lessThan: 102, status: affected, versionType: custom
}