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OpenAdvisories
Medium · 4.3 CVE-2026-1051 EUVD-2026-3489GHSA-2wh9-wm58-w79r

Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription

Published Jan 20, 2026 · Updated Apr 8, 2026 · Assigned by Wordfence

Description

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

VendorProductAffectedFixed
satollo Newsletter – Send awesome emails from WordPress ≤ 9.1.0 —

References