CVE-2026-18364: Unknown Zportals

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

The zportals WordPress plugin before 6.4.2 does not perform any capability or nonce check on several of its AJAX actions, allowing users with a subscriber-level account to modify the zportals WordPress plugin before 6.4.2's stored integration settings.

Affected products

• Unknown Zportals: before 6.4.2 (fixed in 6.4.2)

Published 2026-09-23. Last modified 2026-09-23.