CVE-2023-49438
CVE-2023-49438 is a medium-severity vulnerability in Flask-security-too Project Flask-security-too with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Flask-security-too Project Flask-security-too
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-49438?
- CVE-2023-49438 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-49438 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-49438?
- CVE-2023-49438 affects Flask-security-too Project Flask-security-too. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-49438?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-49438 published?
- CVE-2023-49438 was published on 2023-12-26 and last updated on 2026-06-17.
References
- https://github.com/Flask-Middleware/flask-security
- https://github.com/brandon-t-elliott/CVE-2023-49438
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/6HCYH377TPUMUHELPI36PDS2ZM4VFIXM/
Affected products (1)
- cpe:2.3:a:flask-security-too_project:flask-security-too:*:*:*:*:*:*:*:*
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