CVE-2023-4231

CRITICALNVD 9.89.8—

9.8

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Cevik Informatics Online Payment System allows SQL Injection.

This issue affects Online Payment System: before 4.09.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 38.7%
KEV: Not listed

Published

September 15, 2023

Last Modified

May 21, 2026

Advisory Details (2)

Auto-updated May 21, 2026

No patch confirmed yet.

generic

T.C. Siber Güvenlik Başkanlığı

https://www.usom.gov.tr/bildirim/tr-23-0532

generic

T.C. Siber Güvenlik Başkanlığı

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0532

Vendor Advisories for CVE-2023-4231(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-4gcx-x586-4mh4
GitHub Security AdvisoriesCritical
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')...

Frequently asked(5)

What is CVE-2023-4231?

CVE-2023-4231 is a critical vulnerability published on September 15, 2023. Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Cevik Informatics Online Payment System allows SQL Injection. This issue affects Online Payment System: before 4.09.

When was CVE-2023-4231 disclosed?

CVE-2023-4231 was first published in the National Vulnerability Database on September 15, 2023, with the most recent update on May 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-4231 actively exploited?

CVE-2023-4231 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-4231?

CVE-2023-4231 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-4231?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4231, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-4231

📅 Published

🔄 Last Modified

📋 Advisory Details (2)

T.C. Siber Güvenlik Başkanlığı

T.C. Siber Güvenlik Başkanlığı

📣 Vendor Advisories for CVE-2023-4231(1)

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-4231?

Published

Last Modified

Advisory Details (2)

Vendor Advisories for CVE-2023-4231(1)

Frequently asked(5)