CVE-2023-49438

6.1 MEDIUM

Published: December 26, 2023 Modified: November 04, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/Flask-Middleware/flask-security

Source: cve@mitre.org

Product

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

Source: cve@mitre.org

Exploit Mitigation Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/

Source: cve@mitre.org

https://github.com/Flask-Middleware/flask-security

Source: af854a3a-2127-422b-91ae-364da2661108

Product

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

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Mitigation Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/

Source: af854a3a-2127-422b-91ae-364da2661108

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.1 / 10.0

EPSS (Exploit Probability)

0.2%

42th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-601

Affected Vendors

flask-security-too_project

Related CVEs