CVE-2023-49438

MEDIUM NUCLEI

Flask-security-too < 5.3.2 - Open Redirect

Title source: rule

Description

An open redirect vulnerability in the python package Flask-Security-Too <=5.3.2 allows attackers to redirect unsuspecting users to malicious sites via a crafted URL by abusing the ?next parameter on the /login and /register routes.

Exploits (1)

nomisec WRITEUP 5 stars

by brandon-t-elliott · poc

https://github.com/brandon-t-elliott/CVE-2023-49438

View Code ZIP pw:eip

Nuclei Templates (1)

Python Flask-Security-Too <=5.3.2 - Open Redirect

MEDIUMby ritikchaddha

References (4)

[Product] https://github.com/Flask-Middleware/flask-security

[Exploit, Mitigation, Third Party Advisory] https://github.com/brandon-t-elliott/CVE-2023-49438

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/[email protected]/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/

Scores

CVSS v3 6.1

EPSS 0.0327

EPSS Percentile 87.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE

CWE-601

Status published

Products (2)

flask-security-too_project/flask-security-too < 5.3.2

pypi/Flask-Security-Too 0 - 5.3.3PyPI

Published Dec 26, 2023

Tracked Since Feb 18, 2026