CVE-2021-23387
The package trailing-slash before 2.0.1 are vulnerable to Open Redirect via the use of trailing double slashes in the URL when accessing the vulnerable endpoint (such as https://example.com//attacker.example/). The vulnerable code is in index.js::createTrailing(), as the web server uses relative URLs instead of absolute URLs.
Date published : 2021-05-24
https://github.com/fardog/trailing-slash/commit/f8e66f1429308247e5a119d430203077d8f05048