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Vulnerabilities and Security Researches

Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress, CVE-2026-15256

CVE, Research URL

CVE-2026-15256

Published on
Aug 07, 2026
Research Description
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 configured is embedded on a public page.
Affected versions
max 3.14.10.
Status
vulnerable