The Customer Email Verification for WooCommerce WordPress plugin before 3.2.6 does not correctly validate the email-verification activation code, relying on a loose comparison that an attacker can satisfy with a crafted value type, allowing unauthenticated users to verify and take over the account of any registered user who has not yet confirmed their email address.
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
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1