CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
27.5%
If JavaScript-based PayPal checkout methods are used (PayPal Plus, Smart Payment Buttons, SEPA, Pay Later, Venmo, Credit card), the amount and item list sent to PayPal may not be identical to the one in the created order.
The problem has been fixed with version 5.4.4
Disable the aforementioned payment methods or use the Security Plugin in version >= 1.0.21.