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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2026-11592

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

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

icegram Email Subscribers & Newsletters by Icegram Express – Email Marketing, Post Notifications & WooCommerce Marekting Automation for WordPress

Default version status: unaffected

  • 0 to ≤ 5.9.27affected

References