CVE-2026-15256

CVE-2026-15256CVE-2026-15256

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.

Scoring

CVSS 4.8 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Last modified2026-08-06
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.