The WPForms Lite WordPress plugin from 1.5.0.1 to 2.0.2 does not remove shortcode delimiters from submitted field values before writing them back into the rendered form, allowing unauthenticated users to execute arbitrary shortcodes registered on the site and read the details of attachments belonging to non-public posts.

The WPForms Lite WordPress plugin from 1.5.0.1 to 2.0.2 does not remove shortcode delimiters from submitted field values before writing them back into the rendered form, allowing unauthenticated users to execute arbitrary shortcodes registered on the site and read the details of attachments belonging to non-public posts.