Open Redirect in Flask-Security-Too Project

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.

Vulnerability class: Open Redirect

EPSS: 0.011 (61.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-49438?
CVE-2023-49438 is a medium-severity vulnerability in Flask-Security-Too Project, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2023-12-26.
How severe is CVE-2023-49438?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-49438 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.