CVE-2026-1781 MC4WP: Mailchimp for WordPress <= 4.11.1 - Missing Authorization to Unauthenticated Arbitrary Subscription Deletion

The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 4.11.1. This is due to the plugin trusting the mc4wpaction POST parameter without validation, allowing unauthenticated attackers to force the form to process...

CVE-2026-1781 MC4WP: Mailchimp for WordPress <= 4.11.1 - Missing Authorization to Unauthenticated Arbitrary Subscription Deletion

The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 4.11.1. This is due to the plugin trusting the mc4wpaction POST parameter without validation, allowing unauthenticated attackers to force the form to process...

CVE-2026-1781 MC4WP: Mailchimp for WordPress <= 4.11.1 - Missing Authorization to Unauthenticated Arbitrary Subscription Deletion

The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 4.11.1. This is due to the plugin trusting the mc4wpaction POST parameter without validation, allowing unauthenticated attackers to force the form to process...

PT-2026-24546

The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 4.11.1. This is due to the plugin trusting the mc4wp action POST parameter without validation, allowing unauthenticated attackers to force the form to process...

WordPress plugin MC4WP: Mailchimp for WordPress 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows users to create personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be installed t...

CVE-2026-23693

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...

WordPress ElementsKit Lite plugin < 3.7.9 - Unauthenticated Mailchimp REST Endpoint vulnerability

Unauthenticated Mailchimp REST Endpoint vulnerability discovered by Rahul Karne in WordPress Plugin ElementsKit Elementor addons Lite versions 3.7.9...

CVE-2026-23693

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...

CVE-2026-23693 ElementsKit Elementor Addons < 3.7.9 Unauthenticated Mailchimp REST Endpoint

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...

CVE-2026-23693

ElementsKit Lite (elementskit-lite) WordPress plugin versions prior to 3.7.9 expose an unauthenticated REST endpoint at /wp-json/elementskit/v1/widget/mailchimp/subscribe. The endpoint accepts client-supplied Mailchimp credentials and inadequately validates parameters (including the list) when co...

CVE-2026-23693

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...

CVE-2026-23693 ElementsKit Elementor Addons < 3.7.9 Unauthenticated Mailchimp REST Endpoint

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...

PT-2026-21554

Name of the Vulnerable Software and Affected Versions ElementsKit Lite WordPress plugin versions prior to 3.7.9 Description The ElementsKit Lite WordPress plugin versions prior to 3.7.9 exposes the REST endpoint /wp-json/elementskit/v1/widget/mailchimp/subscribe without authentication. The endpoi...

CVE-2025-12172

The Mailchimp List Subscribe Form plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.0. This is due to missing or incorrect nonce validation on the mailchimpsfchangelistifnecessary function. This makes it possible for unauthenticated attacke...

CVE-2025-12172

The Mailchimp List Subscribe Form plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.0. This is due to missing or incorrect nonce validation on the mailchimpsfchangelistifnecessary function. This makes it possible for unauthenticated attacke...

CVE-2025-12172 Mailchimp List Subscribe Form <= 2.0.0 - Cross-Site Request Forgery to Mailchimp List Change

The Mailchimp List Subscribe Form plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.0. This is due to missing or incorrect nonce validation on the mailchimpsfchangelistifnecessary function. This makes it possible for unauthenticated attacke...

CVE-2025-12172 Mailchimp List Subscribe Form <= 2.0.0 - Cross-Site Request Forgery to Mailchimp List Change

The Mailchimp List Subscribe Form plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.0. This is due to missing or incorrect nonce validation on the mailchimpsfchangelistifnecessary function. This makes it possible for unauthenticated attacke...

CVE-2025-12172

CVE-2025-12172 affects the WordPress plugin Mailchimp List Subscribe Form (

PT-2026-20580

Name of the Vulnerable Software and Affected Versions Mailchimp List Subscribe Form versions prior to 2.0.1 Description The Mailchimp List Subscribe Form plugin for WordPress is susceptible to Cross-Site Request Forgery. This is caused by inadequate nonce validation within the mailchimp sf change...

WordPress plugin Mailchimp List Subscribe Form 跨站请求伪造漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. WordPres...