Shortcoder Plugin <= 6.3 is vulnerable to Broken Access Control

Can you please fix this?

Source: https://patchstack.com/database/vulnerability/shortcoder/wordpress-shortcoder-plugin-6-3-broken-access-control-vulnerability

Abdi Pranata discovered and reported this Broken Access Control vulnerability in WordPress Shortcoder Plugin. A broken access control issue refers to a missing authorization, authentication or nonce token check in a function that could lead to an unprivileged user to executing a certain higher privileged action. This vulnerability has not been known to be fixed yet.