CVE-2026-1051

medium

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/8de2156f-5087-4c16-8e5d-93b5c72ec536?source=cve

https://plugins.trac.wordpress.org/browser/newsletter/tags/9.1.0/unsubscription/unsubscription.php#L141

Details

Source: Mitre, NVD

Published: 2026-01-20

Updated: 2026-01-20

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00013