CVE-2021-23393

This affects the package Flask-Unchained before 0.9.0. When using the the validateredirecturl 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...

CVE-2021-23393

Vulnerability: Flask-Unchained before 0.9.0 has an open redirect via the _validate_redirect_url function. Providing multiple backslashes (e.g., \\evil.com/path) can bypass URL validation and redirect users to an arbitrary URL. Conditions: Exploitation is possible only if an alternative WSGI serve...