Description
The Just Custom Fields plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.3.2. This is due to missing or incorrect nonce validation on several AJAX function. This makes it possible for unauthenticated attackers to invoke this functionality intended for admin users via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. This enables subscribers to manage field groups, change visibility of items among other things.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected products
- aprokopenko / Just Custom Fields0 – 3.3.2