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CVE-2023-49438

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Date: December 25, 2023

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.

Language: Python

Severity Score

Related Resources (8)

https://github.com/Flask-Middleware/flask-security/commit/8b5abc4d4db9926a3d76b34b8b03255effb5e712
https://github.com/pypa/advisory-database/tree/main/vulns/flask-security-too/PYSEC-2023-248.yaml
https://nvd.nist.gov/vuln/detail/CVE-2023-49438
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM
https://github.com/brandon-t-elliott/CVE-2023-49438
https://github.com/Flask-Middleware/flask-security
https://www.mend.io/vulnerability-database/CVE-2023-49438

Severity Score

Weakness Type (CWE)

URL Redirection to Untrusted Site ('Open Redirect')

CWE-601

Top Fix

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Upgrade Version

Upgrade to version Flask-Security-Too - 5.3.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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