CVE-2026-80311: 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 8.5.5 does not verify that a subscription belongs to the customer bound to the requesting customer-portal session before cancelling it, allowing a user with a confirmed portal session to cancel subscriptions belonging to other customers. Exploitation requires the attacker to know the target subscription's identifier, which is high-entropy and not enumerable through the Stripe Payment Forms by WP Full Pay WordPress plugin before 8.5.5.

Affected products

• Unknown Stripe Payment Forms By Wp Full Pay: before 8.5.5 (fixed in 8.5.5)

Published 2026-08-29. Last modified 2026-08-31.