CVE-2026-80311
Low risk· EPSS 3%Exploitation Probability (EPSS)
Low risk3th percentile - higher than 3% of all known CVEs
Summary
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.
Risk Assessment
The vulnerability may lead to unauthorized cancellation of other customers' subscriptions, potentially causing service disruptions and financial losses.
Recommendation
It is recommended to update the Stripe Payment Forms by WP Full Pay plugin to version 8.5.5 or later, which includes a fix for subscription ownership verification.
Other vulnerabilities in Stripe Payment Forms by WP Full Pay
See all- CVE-2026-77789Medium
The Stripe Payment Forms by WP Full Pay WordPress plugin before version 8.5.1 does not verify that a subscription belongs to the customer bound to the requesting customer-portal session before acting on it. This allows a user with a confirmed portal session to cancel, reactivate or modify subscriptions belonging to other customers.
- CVE-2026-77758Medium
The Stripe Payment Forms by WP Full Pay WordPress plugin before version 8.5.1 does not properly verify that a customer portal session has completed its confirmation step before returning data, allowing unauthenticated users to read another customer's subscription and billing information.
Original NVD description (English source)
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.

