The Woodmart theme for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 8.0.3. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode through the woodmart_instagram_ajax_query AJAX action. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.