CVE-2026-110899

WordPress Ninja Forms plugin <= 3.15.5 - Cross Site Scripting (XSS) vulnerability

Published Oct 21, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kevin Stover Ninja Forms ninja-forms allows Stored XSS.This issue affects Ninja Forms: from n/a through 3.15.5.

Remediation

Vendor Solution

Update the WordPress Ninja Forms plugin to the latest available version (at least 3.15.6).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Kevin Stover
Kevin Stover ninja Forms
Wordpress-extensions
Wordpress-extensions ninja Forms
Vendors & Products Kevin Stover
Kevin Stover ninja Forms
Wordpress-extensions
Wordpress-extensions ninja Forms
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kevin Stover Ninja Forms ninja-forms allows Stored XSS.This issue affects Ninja Forms: from n/a through 3.15.5.
Title WordPress Ninja Forms plugin <= 3.15.5 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 30, 2026, 8:01 PM
Reserved
Oct 15, 2026, 12:19 AM
Status
Deferred
Published
Oct 21, 2026, 8:16 AM
Modified
Oct 21, 2026, 2:26 PM