What is CVE-2026-57753?

CVE-2026-57753 is a medium-severity vulnerability in Nathanbarry Kit (Formerly Convertkit) For Woocommerce, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.3/10. Published 2026-07-02.

How severe is CVE-2026-57753?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Nathanbarry Kit (Formerly Convertkit) For Woocommerce

CVE-2026-57753

Unauthenticated Sensitive Data Exposure in Kit (formerly ConvertKit) for WooCommerce <= 2.1.5 versions.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Nathanbarry Kit (Formerly Convertkit) For Woocommerce — versions n/a

Weakness classification (CWE)

CWE-497 — Exposure of Sensitive System Information to an Unauthorized Control Sphere

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-57753?: CVE-2026-57753 is a medium-severity vulnerability in Nathanbarry Kit (Formerly Convertkit) For Woocommerce, classified under Exposure of Sensitive System Information to an Unauthorized Control Sphere. CVSS score: 5.3/10. Published 2026-07-02.
How severe is CVE-2026-57753?: Medium severity. CVSS v3 base score is 5.3 out of 10.