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Newsletters 4.18 Release Notes

August 24th, 2026

Release notes for version 4.18 of the WordPress Newsletter plugin. This is a small update. We are preparing a larger v5.0 update with new features, templates, and improvements. Coming soon! Improved Prevent newsletter processing and metadata changes during WordPress autosaves. Fixed Fixed subscriber management access control bypass in unsubscribe links by requiring a non-empty matching Continue Reading…

Newsletters 4.17 Release Notes

August 6th, 2026

Release notes for version 4.17 of the WordPress Newsletter plugin. This is a small update. We are preparing a larger v5.0 update with new features, templates, and improvements. Coming soon! Improved Removed PHP null coalescing operators from plugin PHP files for PHP 7.x compatibility. Fixed Fixed predictable API keys by generating random API keys and Continue Reading…

Newsletters 4.16 Release Notes

July 24th, 2026

Release notes for version 4.16 of the WordPress Newsletter plugin. This is a small update. We are preparing a larger v5.0 update with new features and improvements. Coming soon! Fixed Fixed CVE-2026-12938 stored XSS through the `target` attribute of post shortcodes by validating link targets and escaping them on output. Fixed CVE-2026-12939 stored XSS through Continue Reading…

Newsletters 4.15 Release Notes

June 19th, 2026

Release notes for version 4.15 of the WordPress Newsletter plugin. This is a small update. We are preparing a larger v5.0 update with new features and improvements. Coming soon! Fixed Fixed reflected XSS on the Autoresponder Emails admin page by properly escaping `id` and `status` query values before outputting them inside inline JavaScript. Fixed incomplete Continue Reading…

Newsletters 4.14 Release Notes

June 9th, 2026

Release notes for version 4.14 of the WordPress Newsletter plugin. This is a small update. We are preparing a larger v5.0 update with new features and improvements. Coming soon! Improved Serial key modal messaging and redirects after entering valid, expired, or deleted serial keys. Fixed Expired but valid serial keys can continue using PRO features Continue Reading…