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Vulnerability record · CVE-2026-3614 · published 16 April 2026

CVE-2026-3614: Missing authorization vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.58% · top 54.6% CWE-862 · Missing authorization Deferred
8.8CVSS 3.1 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
7References
17 Jun 2026Last modified by NVD

Description

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.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/acymailing/tags/10.7.1/WpInit/Router.php#L11
https://plugins.trac.wordpress.org/browser/acymailing/tags/10.7.1/WpInit/Router.php#L122
https://plugins.trac.wordpress.org/browser/acymailing/tags/10.7.1/WpInit/Router.php#L230
https://plugins.trac.wordpress.org/browser/acymailing/tags/10.7.1/back/Core/AcymController.php#L92
https://plugins.trac.wordpress.org/browser/acymailing/tags/10.8.1/back/Core/AcymController.php#L99
https://plugins.trac.wordpress.org/browser/acymailing/trunk/WpInit/Router.php#L11
https://www.wordfence.com/threat-intel/vulnerabilities/id/a895e2cf-9eba-4c46-b19f-d008e1058f64?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-3614), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.