AcyMailing <= 10.10.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'alignment' Attribute

6.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-12170
CVSS 6.4 (Medium)
Publicly Published July 8, 2026
Last Updated July 9, 2026
Researchers Chloe Chamberland - Wordfence
Wordfence PRISM - Wordfence

Description

The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'alignment' attribute in all versions up to, and including, 10.10.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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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 10.11.0, or a newer patched version
Affected Version
  • <= 10.10.2
Patched Version
  • 10.11.0

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 – 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
7 AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 10.11.1 - Missing Authorization CVE-2026-57740 4.3 anhcd05 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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