CVE-2026-77758
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk7th percentile - higher than 7% of all known CVEs
Summary
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.
Risk Assessment
The organization may experience a breach of customer financial data confidentiality, potentially leading to legal consequences and loss of trust. The attack does not require authentication, increasing the risk of exploitation.
Recommendation
It is recommended to update the Stripe Payment Forms by WP Full Pay plugin to version 8.5.1 or later, which includes fixes for customer portal session verification.
Other vulnerabilities in Stripe Payment Forms by WP Full Pay
See all- CVE-2026-80311Low risk· EPSS 3%
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.
- 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.
Original NVD description (English source)
The Stripe Payment Forms by WP Full Pay WordPress plugin before 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.