| Package | Affected versions | Patched versions |
|---|---|---|
| email subscribers & newsletters | < 4.2.3 | 4.2.3 |
The WordPress plugin, Email Subscribers & Newsletters, before 4.2.3 had a privilege bypass flaw that allowed authenticated users (Subscriber or greater access) to send test emails from the administrative dashboard on behalf of an administrator. This occurs because the plugin registers a wp_ajax function to send_test_email.
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