fastify-static is a plugin for serving static files as fast as possible.
Affected versions of this package are vulnerable to Open Redirect. It allows remote attackers to redirect Mozilla Firefox users to arbitrary websites via a double slash
// followed by a domain -
The issue shows up on all the
fastify-static applications that set the
redirect: true option, which is
false by default.
fastify-static to version 4.2.4 or higher.