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

Quick assessment

Affected
Nathanbarry Kit (formerly ConvertKit) for WooCommerce
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Kit (formerly ConvertKit) for WooCommerce是WordPress基金会的一款WordPress插件，它能将你的WooCommerce商店与Kit邮件营销平台自动连接，在客户完成购买后自动同步其信息和订单数据，并为其打上标签或加入特定的邮件序列。 WordPress Kit (formerly ConvertKit) for WooCommerce 2.1.5版本存在信息泄露漏洞，该漏洞源于未经验证，可能导致敏感数据泄露。

CVSS 5.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Nathanbarry Kit (formerly ConvertKit) for WooCommerce n/a≤ 2.1.5 affected
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I. Basic Information for CVE-2026-57753

Vulnerability Information
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Vulnerability Title
WordPress Kit (formerly ConvertKit) for WooCommerce plugin <= 2.1.5 - Sensitive Data Exposure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Sensitive Data Exposure in Kit (formerly ConvertKit) for WooCommerce <= 2.1.5 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将系统数据暴露到未授权控制的范围
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Kit (formerly ConvertKit) for WooCommerce 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Kit (formerly ConvertKit) for WooCommerce是WordPress基金会的一款WordPress插件，它能将你的WooCommerce商店与Kit邮件营销平台自动连接，在客户完成购买后自动同步其信息和订单数据，并为其打上标签或加入特定的邮件序列。 WordPress Kit (formerly ConvertKit) for WooCommerce 2.1.5版本存在信息泄露漏洞，该漏洞源于未经验证，可能导致敏感数据泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nathanbarry Kit (formerly ConvertKit) for WooCommerce n/a ~ 2.1.5 -

II. Public POCs for CVE-2026-57753

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III. Intelligence Information for CVE-2026-57753

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Other References for CVE-2026-57753 (1)

IV. Related Vulnerabilities

Same product: Kit (formerly ConvertKit) for WooCommerce
Same weakness: CWE-497

V. Comments for CVE-2026-57753

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