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.

Project Subscriptions

Vendors Products
Ninjaforms Subscribe
Ninja Forms Subscribe
Wordpress Subscribe
Wordpress Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 07 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-74
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 07 Aug 2026 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Ninjaforms
Ninjaforms ninja Forms
Wordpress
Wordpress wordpress
Vendors & Products Ninjaforms
Ninjaforms ninja Forms
Wordpress
Wordpress wordpress

Thu, 06 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
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.
Title Ninja Forms < 3.14.10 - Unauthenticated Arbitrary Shortcode Execution via Query-String Populated Field Default
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-07T14:14:16.223Z

Reserved: 2026-07-09T13:02:53.705Z

Link: CVE-2026-15256

cve-icon Vulnrichment

Updated: 2026-08-07T14:14:12.326Z

cve-icon NVD

Status : Deferred

Published: 2026-08-06T22:16:48.040

Modified: 2026-08-26T16:31:16.753

Link: CVE-2026-15256

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-07T18:00:04Z

Weaknesses