The Solace Extra WordPress plugin before 1.6.1 does not perform capability checks in several of its AJAX actions and exposes the nonce that protects them on admin pages reachable by low-privileged users, allowing users with a role as low as Subscriber to modify site-wide presentation settings and delete imported site-builder content.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products
unknown:solace extra