CVE-2026-23693— ElementsKit Elementor Addons < 3.7.9 Unauthenticated Mailchimp REST Endpoint
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I. Basic Information for CVE-2026-23693
Vulnerability Information
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Vulnerability Title
ElementsKit Elementor Addons < 3.7.9 Unauthenticated Mailchimp REST Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
ElementsKit Elementor Addons – Advanced Widgets & Templates Addons for Elementor (elementskit-lite) WordPress plugin versions prior to 3.7.9 expose the REST endpoint /wp-json/elementskit/v1/widget/mailchimp/subscribe without authentication. The endpoint accepts client-supplied Mailchimp API credentials and insufficiently validates certain parameters, including the list parameter, when constructing upstream Mailchimp API requests. An unauthenticated attacker can abuse the endpoint as an open proxy to Mailchimp, potentially triggering unauthorized API calls, manipulating subscription data, exhausting API quotas, or causing resource consumption on the affected WordPress site.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin ElementsKit Lite 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin ElementsKit Lite 3.7.9之前版本存在访问控制错误漏洞，该漏洞源于未经验证的REST端点参数验证不足，可能导致未经授权的API调用或资源消耗。
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Roxnor | ElementsKit Elementor Addons – Advanced Widgets & Templates Addons for Elementor | 0 ~ 3.7.9 | - |
II. Public POCs for CVE-2026-23693
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|---|
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IV. Related Vulnerabilities
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Same weakness: CWE-306
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V. Comments for CVE-2026-23693
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