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 (2)
Core 2
Scores
CVSS v3
4.3
EPSS
0.0010
EPSS Percentile
1.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-352
Status
published
Products (1)
satollo/Newsletter – Send awesome emails from WordPress
< 9.1.0
Published
Jan 20, 2026
Tracked Since
Feb 18, 2026