The Quttera Web Malware Scanner plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.5.1.41 via the 'RunExternalScan' function. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

The Quttera Web Malware Scanner WordPress plugin before 3.4.2.1 doesn't restrict access to detailed scan logs, which allows a malicious actor to discover local paths and portions of the site's code

IThe Quttera Web Malware Scanner WordPress plugin before 3.4.2.1 does not validate user input used in a path, which could allow users with an admin role to perform path traversal attacks