CVE-2021-23393 – This affects the package Flask-Unchained before 0.9.0. When using the the _validate_redire …

Vuln ID: CVE-2021-23393

Published:  2021-06-11  00:15:09Z

Description: This affects the package Flask-Unchained before 0.9.0. When using the the _validate_redirect_url function, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as \evil.com/path. This vulnerability is only exploitable if an alternative WSGI server other than Werkzeug is used, or the default behaviour of Werkzeug is modified using ‘autocorrect_location_header=False.

Source: NVD.NIST.GOV