CVE-2026-1051
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
2Description
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.
Analysis
The Newsletter WordPress plugin through version 9.1.0 contains a cross-site request forgery vulnerability in the hook_newsletter_action() function due to insufficient nonce validation, allowing unauthenticated attackers to unsubscribe legitimate users if they can trick a logged-in administrator into clicking a malicious link. This attack requires user interaction but poses a direct integrity risk to newsletter subscriber lists. …
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Remediation
Within 30 days: Identify affected systems running for WordPress is vulnerable to Cross-Site Request Forgery in and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens are enforced.
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External POC / Exploit Code
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