CVE-2026-15256 Ninja Forms < 3.14.10 - Unauthenticated Arbitrary Shortcode Execution via Query-String Populated Field Default

The Ninja Forms WordPress plugin before 3.14.10 does not prevent user-supplied query-string input, used to pre-populate a form field's default value, from being processed as a shortcode, allowing unauthenticated attackers to execute arbitrary shortcodes registered on the site when a form so...