CVE-2023-49438

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-49438
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.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://github.com/Flask-Middleware/flask-security Product
https://github.com/brandon-t-elliott/CVE-2023-49438 Exploit Mitigation Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/
https://github.com/Flask-Middleware/flask-security Product
https://github.com/brandon-t-elliott/CVE-2023-49438 Exploit Mitigation Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/
Configurations

Configuration 1 (hide)

cpe:2.3:a:flask-security-too_project:flask-security-too:*:*:*:*:*:*:*:*
History

04 Nov 2025, 19:16

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/ -

21 Nov 2024, 08:33

Type Values Removed Values Added
References () https://github.com/Flask-Middleware/flask-security - Product () https://github.com/Flask-Middleware/flask-security - Product
References () https://github.com/brandon-t-elliott/CVE-2023-49438 - Exploit, Mitigation, Third Party Advisory () https://github.com/brandon-t-elliott/CVE-2023-49438 - Exploit, Mitigation, Third Party Advisory
References () 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/ -

04 Jan 2024, 03:27

Type Values Removed Values Added
References () https://github.com/Flask-Middleware/flask-security - () https://github.com/Flask-Middleware/flask-security - Product
References () https://github.com/brandon-t-elliott/CVE-2023-49438 - () https://github.com/brandon-t-elliott/CVE-2023-49438 - Exploit, Mitigation, Third Party Advisory
CWE CWE-601
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.1
CPE cpe:2.3:a:flask-security-too_project:flask-security-too:*:*:*:*:*:*:*:*

27 Dec 2023, 18:24

Type Values Removed Values Added
New CVE
Information

Published : 2023-12-26 22:15

Updated : 2025-11-04 19:16

NVD link : CVE-2023-49438

Mitre link : CVE-2023-49438

CVE.ORG link : CVE-2023-49438

JSON object : View

Products Affected

flask-security-too_project

  • flask-security-too
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')