CVE-2026-1947— NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.9 - Missing Authorization to Unauthenticated Arbitrary Form Entry Modification via nf_set_entry_update_id
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I. Basic Information for CVE-2026-1947
Vulnerability Information
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Vulnerability Title
NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.9 - Missing Authorization to Unauthenticated Arbitrary Form Entry Modification via nf_set_entry_update_id
Source: NVD (National Vulnerability Database)
Vulnerability Description
The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 9.1.9 via the submit_nex_form() function due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to to overwrite arbitrary form entries via the 'nf_set_entry_update_id' parameter.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin NEX-Forms – Ultimate Forms Plugin for WordPress 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin NEX-Forms – Ultimate Forms Plugin for WordPress 9.1.9及之前版本存在安全漏洞，该漏洞源于submit_nex_form函数存在不安全的直接对象引用，可能导致未经验证
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| webaways | NEX-Forms – Ultimate Forms Plugin for WordPress | * ~ 9.1.9 | - |
II. Public POCs for CVE-2026-1947
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: NEX-Forms – Ultimate Forms Plugin for WordPress
- CVE-2026-5063
NEX-Forms <= 9.1.11 - Unauthenticated Stored Cross-Site Scri - CVE-2026-1948
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Same vendor: webaways
- CVE-2026-5063
NEX-Forms <= 9.1.11 - Unauthenticated Stored Cross-Site Scri - CVE-2026-1948
NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.9 - M - CVE-2025-15510
NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.8 - M - CVE-2025-10185
NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.1.6 - A - CVE-2025-3468
NEX-Forms – Ultimate Form Builder – Contact forms and much m
Same weakness: CWE-639
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V. Comments for CVE-2026-1947
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