AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 10.11.1 - Missing Authorization

4.3
Missing Authorization
CVE CVE-2026-57740
CVSS 4.3 (Medium)
Publicly Published July 6, 2026
Last Updated August 17, 2026
Researcher anhcd05 - VNPT Cyber Immunity

Description

The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 10.11.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.

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Vulnerability Details for AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress

Software Type Plugin
Software Slug acymailing (view on wordpress.org)
Patched? Yes
Remediation Update to version 11.0.0, or a newer patched version
Affected Version
  • <= 10.11.1
Patched Version
  • 11.0.0

Recent vulnerabilities in AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress

# Title CVE ID CVSS Researchers Date
1 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.4 - Unauthenticated Arbitrary File Read via 'user[name]' Parameter CVE-2026-77807 7.5 daroo September 10, 2026
2 AcyMailing SMTP Newsletter <= 10.11.1 - Missing Authorization CVE-2026-28181 4.3 Asim Alshaya August 13, 2026
3 AcyMailing SMTP Newsletter <= 10.11.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2026-28182 6.4 Asim Alshaya August 13, 2026
4 AcyMailing <= 10.11.1 - Authenticated (Subscriber+) Missing Authorization to Account Takeover via Notification Template Update CVE-2026-15426 8.8 d.v4n_s3c August 11, 2026
5 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress < 10.11.1 - Unauthenticated SQL Injection CVE-2026-14920 7.5 Pedro Pinho August 6, 2026
6 AcyMailing <= 10.10.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'alignment' Attribute CVE-2026-12170 6.4 Chloe Chamberland, Wordfence PRISM July 8, 2026
7 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 10.11.0 - Unauthenticated SQL Injection CVE-2026-57739 7.5 kai63001 July 6, 2026
8 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 10.11.0 - Unauthenticated Stored Cross-Site Scripting CVE-2026-57741 7.2 daroo July 6, 2026
9 AcyMailing <= 10.8.2 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation via 'acymailing_router' CVE-2026-5200 8.8 Azril Fathoni (kiseki) May 19, 2026
10 AcyMailing 9.11.0 - 10.8.1 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation CVE-2026-3614 8.8 Ren Voza April 15, 2026

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