CVE-2026-77789: Unknown Stripe Payment Forms By Wp Full Pay

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Stripe Payment Forms by WP Full Pay WordPress plugin before 8.5.1 does not verify that a subscription belongs to the customer bound to the requesting customer-portal session before acting on it, allowing a user with a confirmed portal session to cancel, reactivate or modify subscriptions belonging to other customers.

Affected products

• Unknown Stripe Payment Forms By Wp Full Pay: before 8.5.1 (fixed in 8.5.1)

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