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CVE-2026-110378— WordPress Ninja Forms Signature Contract Add-On plugin <= 3.2.5 - Broken Access Control vulnerability

Quick assessment

Affected
WP E-Signature Ninja Forms Signature Contract Add-On
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WP E-Signature Ninja Forms Signature Contract Add-On（插件名称：ninja-signature-contract-forms-add-on）中存在访问控制配置不当导致的安全漏洞，允许攻击者利用配置错误的访问控制级别进行未授权访问。该漏洞影响 Ninja Forms Signature Contract Add-On 的所有版本，从初始版本至 3.2.5 版本均受影响。

CVSS 5.3 · Medium EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
WP E-Signature Ninja Forms Signature Contract Add-On ≤ 3.2.5 affected
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I. Basic Information for CVE-2026-110378

Vulnerability Information
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Vulnerability Title
WordPress Ninja Forms Signature Contract Add-On plugin <= 3.2.5 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WP E-Signature Ninja Forms Signature Contract Add-On 0 ~ 3.2.5 -

II. Public POCs for CVE-2026-110378

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III. Intelligence Information for CVE-2026-110378

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Vendor Advisories for CVE-2026-110378 (1)

IV. Related Vulnerabilities

Same vendor: WP E-Signature
Same weakness: CWE-862

V. Comments for CVE-2026-110378

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