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CVE-2026-100155 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

The The Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 3.15.5 This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/Abstracts/MergeTags.php#L64	[email protected]	Source CodeVendor
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/Actions/SuccessMessage.php#L63	[email protected]	Source CodeVendor
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/Actions/SuccessMessage.php#L70	[email protected]	Source CodeVendor
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/AJAX/Controllers/Submission.php#L52	[email protected]	Source CodeVendor
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/AJAX/Controllers/Submission.php#L60	[email protected]	Source CodeVendor
https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/MergeTags/Fields.php#L268	[email protected]	Source CodeVendor
https://plugins.trac.wordpress.org/changeset?reponame=&new=3749135%40ninja-forms%2Ftags%2F3.15.6&old=3717122%40ninja-forms%2Ftags%2F3.15.5	[email protected]	Source CodeVendor
https://wordpress.org/plugins/ninja-forms/	[email protected]	ProductVendor
https://www.wordfence.com/threat-intel/vulnerabilities/id/a1cf42f7-77c6-4594-a6a4-cebf5c3558d7?source=cve	[email protected]	AdvisoryBundleRemedy

see all 9 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-94	Improper Control of Generation of Code ('Code Injection')	[email protected]

Affected Products

Product	Versions
Ninja Forms	<= 3.15.5 (semver)
CPE cpe:2.3:a:ninjaforms:ninja_forms::::::wordpress::* cpe:2.3:a:ninjaforms:ninjaforms::::::wordpress::* Remediation Upgrade: 3.15.6moderate efforthttps://downloads.wordpress.org/plugin/ninja-forms.3.16.0.zip

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 2, 2026	CVE Modified	CISA-ADP
Oct 31, 2026	New CVE Received	[email protected]