CVE - CVE-2021-23401

CVE-ID
CVE-2021-23401	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://github.com/lingthio/Flask-User URL:https://github.com/lingthio/Flask-User MISC:https://github.com/lingthio/Flask-User/blob/master/flask_user/user_manager__utils.py URL:https://github.com/lingthio/Flask-User/blob/master/flask_user/user_manager__utils.py MISC:https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188 URL:https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188
Assigning CNA
Snyk
Date Record Created
20210108	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20210108)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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