CVE-2026-1051: Satollo Newsletter – Send Awesome Emails From WordPress

Medium severity, CVSS 4.3. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Satollo Newsletter – Send Awesome Emails From WordPress: up to and including 9.1.0

Published 2026-01-20. Last modified 2026-06-17.