The TrueBooker WordPress plugin before 1.3.0 does not have authorisation checks in some of its AJAX actions, and does not validate the submitted service price server-side, allowing unauthenticated users to create bookings at a price of their choosing and to attach them to arbitrary customer accounts.
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
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products
unknown:truebooker