vulnerability
WordPress Plugin: newsletter: CVE-2026-1051: Cross-Site Request Forgery (CSRF)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Jan 19, 2026 | Jan 20, 2026 | Jan 21, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Jan 19, 2026
Added
Jan 20, 2026
Modified
Jan 21, 2026
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.
Solution
newsletter-plugin-cve-2026-1051
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