Published on: 06/10/2021 12:00:00 AM UTC
Last Modified on: 06/11/2021 11:11:00 AM UTC
The following vulnerability was found:
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.
- CVE-2021-23393 has been assigned by [email protected] to track the vulnerability
|add tests for validate_redirect_url · briancappello/[email protected] · GitHub|| github.com |
|Open Redirect in flask-unchained | Snyk|| snyk.io |
Noam Moshe of Claroty