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CVE-2025-13993

MailerLite – Signup forms (official) <= 1.7.16 - Authenticated (Administrator+) Stored Cross-Site Scripting

The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_description' and 'success_message' parameters in versions up to, and including, 1.7.16 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Mailerlite Wordpress
Products
Mailerlite Mailerlite Signup Forms Wordpress
CVE-2026-3253

MailerLite – Signup forms (official) <= 1.7.21 - Missing Authorization to Authenticated (Contributor+) Form Creation and Deletion

The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the forms() method of the AdminController class in all versions up to, and including, 1.7.21. This makes it possible for authenticated attackers, with Contributor-level access and above, to create or delete arbitrary signup forms.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Mailerlite Wordpress-extensions
Products
Mailerlite Signup Forms Mailerlite-signup Forms
CVE-2023-52223

WordPress MailerLite – WooCommerce integration Plugin <= 2.0.8 is vulnerable to Cross Site Request Forgery (CSRF)

Cross-Site Request Forgery (CSRF) vulnerability in MailerLite MailerLite – WooCommerce integration.This issue affects MailerLite – WooCommerce integration: from n/a through 2.0.8.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Mailerlite
Products
Mailerlite
CVE-2022-33201

WordPress MailerLite – Signup forms (official) plugin <= 1.5.7 - Cross-Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery (CSRF) vulnerability in MailerLite – Signup forms (official) plugin <= 1.5.7 at WordPress allows an attacker to change the API key.

CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Mailerlite
Products
Mailerlite Signup Forms
CVE-2025-67945

WordPress MailerLite – WooCommerce integration plugin <= 3.1.2 - SQL Injection vulnerability

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in MailerLite MailerLite – WooCommerce integration woo-mailerlite allows SQL Injection.This issue affects MailerLite – WooCommerce integration: from n/a through <= 3.1.2.

CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Mailerlite Woocommerce Wordpress
Products
Mailerlite Woocommerce Wordpress
CVE-2026-25420

WordPress MailerLite plugin <= 1.7.18 - Broken Access Control vulnerability

Missing Authorization vulnerability in MailerLite MailerLite official-mailerlite-sign-up-forms allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MailerLite: from n/a through <= 1.7.18.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Mailerlite Wordpress
Products
Mailerlite Wordpress
CVE-2026-1000

MailerLite - WooCommerce integration <= 3.1.3 - Missing Authorization to Data Deletion

The MailerLite - WooCommerce integration plugin for WordPress is vulnerable to unauthorized data modification and deletion in all versions up to, and including, 3.1.3. This is due to missing capability checks on the resetIntegration() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset the plugin's integration settings, delete all plugin options, and drop the plugin's database tables (woo_mailerlite_carts and woo_mailerlite_jobs), resulting in complete loss of plugin data including customer abandoned cart information and sync job history.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Mailerlite Woocommerce Wordpress
Products
Mailerlite Woocommerce Wordpress
CVE-2022-1604

MailerLite < 1.5.4 - Reflected Cross-Site Scripting

The MailerLite WordPress plugin before 1.5.4 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Mailerlite
Products
Mailerlite Signup Forms