CVE-2026-12757
Email Subscribers & Newsletters <= 5.9.27 - Unauthenticated Arbitrary Shortcode Execution via Subscriber Name Field
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
The The Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 5.9.27. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
| CWE | CWE-94 |
| Vendor | icegram |
| Product | email subscribers & newsletters – email marketing, post notifications & newsletter plugin for wordpress |
| Published | Sep 7, 2026 |
| Last Updated | Sep 8, 2026 |
Stay Ahead of the Next One
Get instant alerts for icegram email subscribers & newsletters – email marketing, post notifications & newsletter plugin for wordpress
Be the first to know when new medium vulnerabilities affecting icegram email subscribers & newsletters – email marketing, post notifications & newsletter plugin for wordpress are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
icegram / Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress
0 ≤ 5.9.27
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/6d9b4448-2b63-4704-ac9e-c4db4784638c?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.26/lite/includes/workflows/actions/class-es-action-send-email.php#L188 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.26/lite/includes/classes/class-es-mailer.php#L1133 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.26/lite/includes/classes/class-es-handle-subscription.php#L165 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.26/lite/includes/classes/class-es-handle-subscription.php#L260 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.22/lite/includes/workflows/actions/class-es-action-send-email.php#L188 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.22/lite/includes/classes/class-es-mailer.php#L1133 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.22/lite/includes/classes/class-es-handle-subscription.php#L165 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.22/lite/includes/classes/class-es-handle-subscription.php#L260
Credits
Sander Horsman