CVE-2026-1051CWE-352

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

Medium · published January 20, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
2.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00124 · 2.0th percentile
Weakness
CWE-352 · Cross-Site Request Forgery (CSRF)
Published
2026-01-20T01:22Z
EPSS history
Timeline
  • 20 JAN 01:22Z
    Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription
    cvelistv5