CVE-2026-1051

The Newsletter – Send awesome emails from WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 9.1.0. This is due to missing or incorrect nonce validation on the hook_newsletter_action() function. This makes it possible for unauthenticated attackers to unsubscribe newsletter subscribers via a forged request granted they can trick a logged-in user into performing an action such as clicking on a link.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://plugins.trac.wordpress.org/browser/newsletter/tags/9.1.0/unsubscription/unsubscription.php#L141
https://www.wordfence.com/threat-intel/vulnerabilities/id/8de2156f-5087-4c16-8e5d-93b5c72ec536?source=cve

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) El plugin de WordPress 'The Newsletter – Send awesome emails from WordPress' es vulnerable a falsificación de petición en sitios cruzados en todas las versiones hasta la 9.1.0, inclusive. Esto se debe a la validación de nonce faltante o incorrecta en la función hook_newsletter_action(). Esto hace posible que atacantes no autenticados den de baja a suscriptores del boletín a través de una petición falsificada, siempre que puedan engañar a un usuario con sesión iniciada para que realice una acción como hacer clic en un enlace.

20 Jan 2026, 02:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-20 02:15

Updated : 2026-06-17 10:14

NVD link : CVE-2026-1051

Mitre link : CVE-2026-1051

CVE.ORG link : CVE-2026-1051

JSON object : View

Products Affected

No product.

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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