Proof of concept
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30 Jun 2021
11 Jun 2021
Noam Moshe of Claroty
How to fix?
There is no fixed version for
Flask-User is a Customizable User Authorization & User Management: Register, Confirm, Login, Change username/password, Forgot password and more.
Affected versions of this package are vulnerable to Open Redirect. When using the
make_safe_url function, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as
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`.