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CVE-2026-11592

Email Subscribers & Newsletters <= 5.9.27 - Missing Authorization to Authenticated (Contributor+) Settings Modification via ig_es_handle_request AJAX Action

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.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Icegram Wordpress
Products
Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin For Wordpress Wordpress
CVE-2026-12757

Email Subscribers & Newsletters <= 5.9.27 - Unauthenticated Arbitrary Shortcode Execution via Subscriber Name Field

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.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Icegram Wordpress
Products
Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin For Wordpress Wordpress
CVE-2024-22300

WordPress Icegram Express plugin <= 5.7.11 - Reflected Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Icegram Email Subscribers & Newsletters allows Reflected XSS.This issue affects Email Subscribers & Newsletters: from n/a through 5.7.11.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Icegram Wordpress
Products
Email Subscribers & Newsletters Wordpress
CVE-2026-1651

Email Subscribers & Newsletters <= 5.9.16 - Authenticated (Administrator+) SQL Injection via 'workflow_ids' Parameter

The Email Subscribers by Icegram Express plugin for WordPress is vulnerable to SQL Injection via the 'workflow_ids' parameter in all versions up to, and including, 5.9.16 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Icegram Wordpress
Products
Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin For Wordpress Wordpress
CVE-2025-12349

Email Subscribers & Newsletters <= 5.9.10 - Missing Authentication to Unauthenticated Mailing Queue Trigger

The Icegram Express - Email Subscribers, Newsletters and Marketing Automation Plugin for WordPress is vulnerable to Authorization in versions up to, and including, 5.9.10. This is due to the plugin not properly verifying that a user is authorized to perform an action in the `trigger_mailing_queue_sending` function. This makes it possible for unauthenticated attackers to force immediate email sending, bypass the schedule, increase server load, and change plugin state (e.g., last-cron-hit), enabling abuse or DoS-like effects.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Icegram Wordpress
Products
Email Subscribers & Newsletters Wordpress
CVE-2025-12348

Email Subscribers & Newsletters <= 5.9.10 - Missing Authentication to Unauthenticated Action Scheduler Task Execution

The Icegram Express - Email Subscribers, Newsletters and Marketing Automation Plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 5.9.10. This is due to the plugin not properly verifying that a user is authorized to perform an action in the `run_action_scheduler_task` function. This makes it possible for unauthenticated attackers to execute scheduled actions early or repeatedly by guessing action IDs, potentially triggering email sends, maintenance tasks, or other privileged operations, causing unexpected state changes and resource usage.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Icegram Wordpress
Products
Email Subscribers & Newsletters Wordpress
CVE-2025-66055

WordPress Email Subscribers & Newsletters plugin <= 5.9.10 - PHP Object Injection vulnerability

Deserialization of Untrusted Data vulnerability in Icegram Email Subscribers & Newsletters email-subscribers allows Object Injection.This issue affects Email Subscribers & Newsletters: from n/a through <= 5.9.10.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Icegram Wordpress
Products
Email Subscribers & Newsletters Wordpress