CVE-2026-18031: Unknown Tabapay Gateway

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

The TabaPay Gateway WordPress plugin through 1.4.0 does not validate the payment callback before establishing a session for the account associated with the referenced order, allowing unauthenticated attackers to log in as any registered user, including an administrator.

Affected products

• Unknown Tabapay Gateway: up to and including 1.4.0

Published 2026-08-19. Last modified 2026-08-26.