The Livees Checkout WordPress plugin through 7.0.2 does not perform any capability, nonce or order-key check before acting on request parameters on the order confirmation page, allowing unauthenticated users to change the status of arbitrary orders, store arbitrary data and notes on them, and recover their order keys.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v3.1