CVE-2026-94389

CRITICAL 9.0

WordPress AcyMailing SMTP Newsletter plugin <= 11.0.5 - Remote Code Execution (RCE) vulnerability

CVSS Score

9.0

EPSS Score

0.0%

EPSS Percentile

0th

Unauthenticated Remote Code Execution (RCE) in AcyMailing SMTP Newsletter <= 11.0.5 versions.

CWE	CWE-94
Vendor	acymailing newsletter team
Product	acymailing smtp newsletter
Published	Sep 30, 2026
Last Updated	Sep 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

AcyMailing Newsletter Team / AcyMailing SMTP Newsletter

n/a ≤ 11.0.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/acymailing/vulnerability/wordpress-acymailing-smtp-newsletter-plugin-11-0-5-remote-code-execution-rce-vulnerability?_s_id=cve

Credits

rpgsec | Patchstack Bug Bounty Program