CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What the vulnerability does
The Frontend User Notes plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.1.0 via the 'funp_ajax_modify_notes' AJAX endpoint due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify arbitrary notes that do not belong to them.
Explanation of Vulnerability in Simple Terms
Frontend User Notes versions 2.1.0 and earlier contain an authorization flaw that allows authenticated users to modify data they should not have access to. An attacker with a low-privilege account can alter information through the application's interface. The vulnerability does not affect data confidentiality or system availability, only data integrity.
What an attacker can do
Modify data belonging to other users or the application without proper authorization.
Potential impact on your site
Users' notes or data may be altered by other authenticated users without permission.
Conditions required to exploit
Attacker must have a valid low-privilege user account on the site.
Key dates
External resources
