CVE-2026-94389
CriticalCVSS 9.0Summary
The AcyMailing SMTP Newsletter plugin in versions up to and including 11.0.5 is vulnerable to unauthenticated remote code execution (RCE). An attacker can execute arbitrary code without authentication.
Risk Assessment
This enables server takeover, data leakage, and further exploitation, posing a critical threat.
Recommendation
Update the AcyMailing SMTP Newsletter plugin to a version newer than 11.0.5 to fix the RCE vulnerability.
Other vulnerabilities in AcyMailing SMTP Newsletter
See all- CVE-2026-57739Critical
The AcyMailing SMTP Newsletter plugin for WordPress contains a Blind SQL Injection vulnerability due to improper neutralization of special elements in SQL commands. The issue affects versions up to and including 10.11.0.
- CVE-2026-28182Medium
Cross Site Scripting (XSS) vulnerability in AcyMailing SMTP Newsletter versions up to 10.11.1, exploitable by a user with Subscriber role.
- CVE-2026-28181Medium
Broken Access Control vulnerability in AcyMailing SMTP Newsletter up to version 10.11.1 allows a subscriber to gain unauthorized access to administrative functions.
- CVE-2026-57741High
The AcyMailing SMTP Newsletter plugin for WordPress contains a Stored Cross-Site Scripting (XSS) vulnerability due to improper input neutralization during web page generation. This issue affects all versions up to and including 10.11.0.
- CVE-2026-57740High
The AcyMailing SMTP Newsletter plugin for WordPress contains a missing authorization vulnerability that allows exploiting incorrectly configured access control security levels. This issue affects versions up to and including 10.11.1.
Original NVD description (English source)
Unauthenticated Remote Code Execution (RCE) in AcyMailing SMTP Newsletter <= 11.0.5 versions.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS