CVE-2026-11592

The Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.9.27. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to overwrite plugin mail settings (from name and from email address), create audience lists, insert arbitrary contacts into those lists, create and overwrite newsletter broadcasts and post notifications, add workflows, and queue and dispatch mass email to arbitrary recipients.
References
Link Resource
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/admin/class-email-subscribers-admin.php#L216
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/admin/class-ig-es-onboarding.php#L171
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/includes/class-email-subscribers-activator.php#L66
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/includes/classes/class-es-newsletters.php#L717
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.21/lite/includes/workflows/admin/class-es-workflow-admin-edit.php#L74
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/admin/class-email-subscribers-admin.php#L216
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/admin/class-ig-es-onboarding.php#L171
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/includes/class-email-subscribers-activator.php#L66
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/includes/classes/class-es-newsletters.php#L717
https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.24/lite/includes/workflows/admin/class-es-workflow-admin-edit.php#L74
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3584584%40email-subscribers&new=3584584%40email-subscribers&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/a2e70691-4de9-4b12-babf-bebe267a780b?source=cve
Configurations

No configuration.

History

02 Jul 2026, 06:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-07-02 06:16

Updated : 2026-07-02 13:58


NVD link : CVE-2026-11592

Mitre link : CVE-2026-11592

CVE.ORG link : CVE-2026-11592


JSON object : View

Products Affected

No product.

CWE
CWE-862

Missing Authorization