CVE-2026-57753 MEDIUM

CVE-2026-57753: WordPress Kit (formerly ConvertKit) for WooCommerce plugin <= 2.1.5 - Sensitive Data Exposure vulnerability

Vendor Nathanbarry
Product Kit (formerly ConvertKit) for WooCommerce
Weakness CWE-497
Published July 2, 2026
Last update July 2, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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

Explanation of Vulnerability in Simple Terms

02Summary

Kit for WooCommerce versions up to 2.1.5 expose sensitive information through an information disclosure vulnerability. An attacker on the network can read non-public data without authentication or user interaction. The vulnerability has a CVSS score of 5.3, indicating moderate risk to site confidentiality. Site administrators should update to a version newer than 2.1.5 when available.

What an attacker can do

03Attacker Capabilities

Read sensitive non-public information from the site without logging in.

Potential impact on your site

04Site Impact

Customer or internal data may be exposed to unauthenticated attackers over the network.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

July 2, 2026 CVE published