CVE-2026-93511
MediumCVSS 5.3Summary
The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id they know.
Risk Assessment
An attacker can forge payment confirmations or cancel subscriptions, potentially leading to financial losses, unauthorized access to premium content, or service disruption. This poses a serious threat to transaction integrity.
Recommendation
Update the Premium Packages plugin to version 7.2.1 or later, which verifies the PayPal webhook signature. Consider monitoring for unusual payment and subscription events.
Other vulnerabilities in Premium Packages
See all- CVE-2026-15348Medium
The Premium Packages – Sell Digital Products Securely plugin for WordPress versions up to 7.0.4 contain an authentication bypass vulnerability via the 'wpdmppdl' parameter, allowing unauthenticated attackers to log in as any non-administrator user (e.g., subscriber, customer, author) who owns an order, by decoding the parameter without HMAC or signature verification.
- CVE-2026-19711Medium
The Premium Packages WordPress plugin before version 7.0.7 does not validate withdrawal requests against the user's actual balance, allowing any authenticated user, including a subscriber with no sales, to request arbitrary payouts that an admin may approve.
Original NVD description (English source)
The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id they know.