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OpenAdvisories
Medium · 4.8 CVE-2026-15256 EUVD-2026-54201GHSA-2xwp-m9v6-767p

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

Published Aug 6, 2026 · Updated Aug 7, 2026 · Assigned by WPScan

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 products

VendorProductAffectedFixed
— Ninja Forms < 3.14.10 3.14.10

References