Node.js third-party modules: [buttle] HTML Injection in filename leads to XSS when directory listing is displayed in the browser

I would like to report HTML Injection in buttle module. Due to lack of filenames sanitization, it is possible to inject malicious iframe tag via filename and execute arbitray JavaScript code. Module module name: buttle version: 0.2.0 npm page: https://www.npmjs.com/package/buttle Module Descripti...