The WP Shortcodes Plugin — Shortcodes Ultimate plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.13.3 via the su_meta shortcode due to missing validation on the user controlled keys 'key' and 'post_id'. This makes it possible for authenticated attackers, with contributor-level access and above, to retrieve arbitrary post meta values which may contain sensitive information when combined with another plugin.

The WP Shortcodes Plugin — Shortcodes Ultimate plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's su_meta shortcode combined with post meta data in all versions up to, and including, 5.13.3 due to insufficient input sanitization and output escaping on user supplied meta values. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Server-Side Request Forgery (SSRF) vulnerability in Vova Anokhin WP Shortcodes Plugin — Shortcodes Ultimate.This issue affects WP Shortcodes Plugin — Shortcodes Ultimate: from n/a through 5.12.6.

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Vova Anokhin WordPress Shortcodes Plugin — Shortcodes Ultimate plugin <= 5.12.6 versions.

The WordPress Shortcodes Plugin — Shortcodes Ultimate WordPress plugin before 5.12.8 does not validate the user meta to be retrieved via the user shortcode, allowing any authenticated users such as subscriber to retrieve arbitrary user meta (except the user_pass), such as the user email and activation key by default.

The WordPress Shortcodes Plugin — Shortcodes Ultimate WordPress plugin before 5.12.8 does not ensure that posts to be displayed via some shortcodes are already public and can be accessed by the user making the request, allowing any authenticated users such as subscriber to view draft, private or even password protected posts. It is also possible to leak the password of protected posts

Cross-Site Request Forgery (CSRF) vulnerability leading to Stored Cross-Site Scripting (XSS) in Vladimir Anokhin's Shortcodes Ultimate plugin <= 5.12.0 on WordPress.

Cross-Site Request Forgery (CSRF) vulnerability in Shortcodes Ultimate plugin <= 5.12.0 at WordPress leading to plugin preset settings change.

The Shortcodes Ultimate WordPress plugin before 5.10.2 allows users with Contributor roles to perform stored XSS via shortcode attributes. Note: the plugin is inconsistent in its handling of shortcode attributes; some do escape, most don't, and there are even some attributes that are insecure by design (like [su_button]'s onclick attribute).

The shortcodes-ultimate plugin before 5.0.1 for WordPress has remote code execution via a filter in a meta, post, or user shortcode.