CVE-2026-16542: Unknown Import And Export Users And Customers

Medium severity, CVSS 4.1. EPSS: 0.2% chance of exploitation in the next 30 days.

The Import and export users and customers WordPress plugin before 2.4.5 does not validate a user-supplied URL before requesting it server-side during a CSV import, allowing high-privileged users to perform Server-Side Request Forgery attacks.

Affected products

• Unknown Import And Export Users And Customers: before 2.4.5 (fixed in 2.4.5)

Published 2026-09-20. Last modified 2026-09-21.