← CVE Intelligence

CVE-2021-23401

Open Redirect PUBLISHED

Description (CNA)

This affects all versions of package Flask-User. 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 /////evil.com/path or \\\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.

Affected (CNA)

Vendor / productVersions
n/a / Flask-Useraffected 0 before unspecified

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.