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OpenAdvisories
Medium · 6.5 CVE-2026-14834 EUVD-2026-51413GHSA-xgf9-46hc-5c98

Mailgun for WordPress < 2.2.1 - Unauthenticated Arbitrary Mailgun List Subscription via add_list AJAX

Published Jul 31, 2026 · Updated Jul 31, 2026 · Assigned by WPScan

Description

The Mailgun for WordPress plugin before 2.2.1 does not perform any capability or nonce check on an unauthenticated AJAX action that adds subscribers to the site owner's configured email service mailing lists, allowing unauthenticated attackers to enrol arbitrary email addresses into those lists using the owner's stored API credentials.

Affected products

VendorProductAffectedFixed
— Mailgun for WordPress < 2.2.1 2.2.1

References