CVE-2026-94389 WordPress AcyMailing SMTP Newsletter plugin <= 11.0.5 - Remote Code Execution (RCE) vulnerability
Unauthenticated attackers can execute arbitrary code on sites using the AcyMailing SMTP Newsletter plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-94389?
CVE-2026-94389 is a critical code injection vulnerability in AcyMailing SMTP Newsletter, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Remote Code Execution (RCE) in AcyMailing SMTP Newsletter <= 11.0.5 versions.
Weakness: CWE-94
Which versions are affected by CVE-2026-94389?
How do I fix CVE-2026-94389?
No fix has been published for CVE-2026-94389 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-94389 being exploited?
There is no known exploitation of CVE-2026-94389 in the wild and no public exploit code.
Sources
Also known as GHSA-hh4p-grc7-5x2c.