---
id: CVE-2026-110378
title: >-
  Missing Authorization vulnerability in WP E-Signature Ninja Forms Signature
  Contract Add-On ninja-signature-contract-forms-add-on allows Exploiting
  Incorrectly Configured Access Control Security Levels.This issue affects Ninja
  Forms Sign…
summary: >-
  Missing Authorization vulnerability in WP E-Signature Ninja Forms Signature
  Contract Add-On ninja-signature-contract-forms-add-on allows Exploiting
  Incorrectly Configured Access Control Security Levels.This issue affects Ninja
  Forms Sign…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-862
vendor: WP E-Signature
product: ninja-signature-contract-forms-add-on
affected:
  - ninja-signature-contract-forms-add-on <= 3.2.5
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T19:17:23.433'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-110378'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/ninja-signature-contract-forms-add-on/vulnerability/wordpress-ninja-forms-signature-contract-add-on-plugin-3-2-5-broken-access-control-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-15T19:25:46.404Z'
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-15T19:59:40.998623Z'
---

## Overview

Missing Authorization vulnerability in WP E-Signature Ninja Forms Signature Contract Add-On ninja-signature-contract-forms-add-on allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ninja Forms Signature Contract Add-On: from n/a through 3.2.5.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.