CVE-2026-86838 Bookly < 28.3 - Unauthenticated Payment Bypass via Booking Price Manipulation

The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step...

CVE-2026-86838

The Bookly WordPress plugin before version 28.3 is vulnerable to an unauthenticated payment bypass . The root cause is a lack of server-side validation for client-supplied booking quantity values during the calculation of the appointment total. This allows unauthenticated users to manipulate the ...

EUVD-2026-88099

The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step...

CVE-2026-86838 Bookly < 28.3 - Unauthenticated Payment Bypass via Booking Price Manipulation

The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step...

CVE-2026-89411: Insufficient Verification of Data Authenticity

The Paymattic WordPress plugin from 4.6.20 before 4.6.26 does not verify that a confirmed Stripe payment belongs to the order it is applied to, allowing unauthenticated users to mark an arbitrary pending order as paid by confirming a smaller payment of their own against it...

CVE-2026-86838: External Control of Assumed-Immutable Web Parameter

The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step...

PT-2026-99779

Name of the Vulnerable Software and Affected Versions Verge3D WordPress plugin versions 4.1.0 through 4.13.0 Description An issue exists where the plugin fails to verify payment status with the payment provider and does not validate order ownership. This allows unauthenticated users to mark any...

CVE-2026-92996: Insufficient Verification of Data Authenticity

The Verge3D WordPress plugin from 4.1.0 through 4.13.0 does not verify with the payment provider that a payment was actually made, and does not check order ownership, allowing unauthenticated users to mark any order as paid...

CVE-2026-100872

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

CVE-2026-100872 Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

CVE-2026-100872

Sylius versions before 2.1.16 and 2.2.9 are vulnerable to an order total manipulation flaw. The system fails to validate payment amounts during cart recalculation , allowing unauthenticated attackers to modify order totals after a gateway transaction has been initiated. Specifically, an attacker ...

CVE-2026-100872 Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

EUVD-2026-87944

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

CVE-2026-100872 Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

CVE-2026-100869 Sylius 2.x before 2.1.16 and 2.2.9 Arbitrary Payment Action via Shop API

Sylius versions before 2.1.16 and 2.2.9 fail to restrict payment request actions in the Shop API endpoint, allowing customers to trigger refunds on completed orders. Attackers with order tokens can submit arbitrary payment actions like refunds that payment gateways execute while Sylius maintains...

CVE-2026-100869

Sylius versions before 2.1.16 and 2.2.9 are vulnerable to an arbitrary payment action flaw in the Shop API endpoint . The root cause is a failure to restrict payment request actions, which allows customers possessing order tokens to trigger unauthorized actions, such as refunds , on completed ord...

CVE-2026-100869 Sylius 2.x before 2.1.16 and 2.2.9 Arbitrary Payment Action via Shop API

Sylius versions before 2.1.16 and 2.2.9 fail to restrict payment request actions in the Shop API endpoint, allowing customers to trigger refunds on completed orders. Attackers with order tokens can submit arbitrary payment actions like refunds that payment gateways execute while Sylius maintains...

CVE-2026-100869 Sylius 2.x before 2.1.16 and 2.2.9 Arbitrary Payment Action via Shop API

Sylius versions before 2.1.16 and 2.2.9 fail to restrict payment request actions in the Shop API endpoint, allowing customers to trigger refunds on completed orders. Attackers with order tokens can submit arbitrary payment actions like refunds that payment gateways execute while Sylius maintains...

WordPress Online Scheduling and Appointment Booking System plugin < 28.3 - Staff+ Appointment and Payment Disclosure, Modification and Deletion vulnerability

Staff+ Appointment and Payment Disclosure, Modification and Deletion vulnerability discovered by Vũ Quang Huy in WordPress Plugin Bookly versions 28.3...

CVE-2026-100872: Insufficient Verification of Data Authenticity

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...