The Canto plugin for WordPress is vulnerable to Remote File Inclusion in all versions up to, and including, 3.0.8 via the abspath parameter. This makes it possible for unauthenticated attackers to include remote files on the server, resulting in code execution. This required allow_url_include to be enabled on the target site in order to exploit.
Improper Control of Generation of Code ('Code Injection') vulnerability in Canto Inc. Canto allows Code Injection.This issue affects Canto: from n/a through 3.0.7.
A Server-Side Request Forgery issue in Canto Cumulus through 11.1.3 allows attackers to enumerate the internal network, overload network resources, and possibly have unspecified other impact via the server parameter to the /cwc/login login form.