CVE-2026-14567: Unknown User Frontend

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The User Frontend WordPress plugin before 4.3.10 does not restrict access to its user directory search endpoint, allowing unauthenticated attackers to retrieve the email address and phone number of every registered user, including administrators.

Affected products

• Unknown User Frontend: from 4.3.0, before 4.3.10 (fixed in 4.3.10)

Published 2026-08-28. Last modified 2026-08-28.