The AcyMailing plugin for WordPress is vulnerable to privilege escalation in all versions From 9.11.0 up to, and including, 10.8.1 due to a missing capability check on the `wp_ajax_acymailing_router` AJAX handler. This makes it possible for authenticated attackers, with Subscriber-level access and above, to access admin-only controllers (including configuration management), enable the autologin feature, create a malicious newsletter subscriber with an injected `cms_id` pointing to any WordPress user, and then use the autologin URL to authenticate as that user, including administrators.
CVE-2026-3614 is a high severity with CVSS 8.8 Privilege Escalation issue affecting the Plugin AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress. It affects 9.11.0 through 10.8.1 and is fixed in 10.8.2.
Use the related hub and response guides to connect this CVE-2026-3614 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-3614 is tracked for the Plugin AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress as high severity with CVSS 8.8. The affected range is 9.11.0 through 10.8.1. Update AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress to 10.8.2 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with 9.11.0 through 10.8.1.
Confirm AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress is updated to 10.8.2 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
acymailing
View on wordpress.org
|
| CVE | CVE-2026-3614 |
| Patched Versions |
10.8.2
|
| Affected Versions |
9.11.0 through 10.8.1
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
AcyMailing <= 10.8.2 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation via 'acymailing_router'
AcyMailing <= 9.7.2 - Authenticated (Subscriber+) Arbitrary File Upload via acym_extractArchive Function
AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 9.11.0 - Reflected Cross-Site Scripting
AcyMailing SMTP Newsletter <= 8.6.2 - Reflected Cross-Site Scripting
AcyMailing SMTP Newsletter < 7.5.0 - Open Redirect
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