PT-2026-3532 · WordPress · Newsletter – Send Awesome Emails From Wordpress

Boris Bogosavac + 1 · Published 2026-01-20 · Updated 2026-01-20 · CVE-2026-1051

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions The Newsletter – Send awesome emails from WordPress plugin versions prior to 9.1.1

Description The software is susceptible to a Cross-Site Request Forgery (CSRF) issue. This is caused by insufficient or incorrect nonce validation within the hook newsletter action() function. An unauthenticated attacker could potentially unsubscribe newsletter subscribers by forging a request, provided they can trick a logged-in user into performing an action, such as clicking a malicious link.

Recommendations Update The Newsletter – Send awesome emails from WordPress plugin to version 9.1.1 or later.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2026-1051

Affected Products

Newsletter – Send Awesome Emails From Wordpress

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-1051 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/8de2156f-5087-4c16-8e5d-93b5c72ec536?source=cve · Note
• https://twitter.com/VulmonFeeds/status/2013472779777999256 · Twitter Post
• https://twitter.com/CVEnew/status/2013449974885859838 · Twitter Post
• https://plugins.trac.wordpress.org/browser/newsletter/tags/9.1.0/unsubscription/unsubscription.php#L141 · Note