CVE-2026-1051 Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription
Unauthenticated attackers can force logged-in users to unsubscribe newsletter subscribers via CSRF, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-1051?
CVE-2026-1051 is a medium-severity vulnerability in satollo Newsletter – Send awesome emails from WordPress, published on 20 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-352
Which versions are affected by CVE-2026-1051?
How do I fix CVE-2026-1051?
No fix has been published for CVE-2026-1051 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1051 being exploited?
There is no known exploitation of CVE-2026-1051 in the wild and no public exploit code.
Sources
Also known as GHSA-2wh9-wm58-w79r.