Access Control Vulnerability in AcyMailing SMTP Newsletter by Acyba
CVE-2026-28181

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Acymailing Smtp Newsletter
Vendor
CVE Published:
13 August 2026

What is CVE-2026-28181?

A broken access control vulnerability exists in versions of AcyMailing SMTP Newsletter plugin up to 10.11.1. This flaw may allow unauthorized subscribers to gain access to restricted functionality, posing a significant risk to user data and overall site integrity. Website owners using this plugin are advised to review their security protocols and upgrade to the latest version to mitigate potential exploitation.

Affected Version(s)

AcyMailing SMTP Newsletter <= 10.11.1

References

https://patchstack.com/database/wordpress/plugin/acymaili...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Asim Alshaya | Patchstack Bug Bounty Program
.