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CVE-2026-1239— Ninja Forms <= 3.14.1 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via token/refresh REST Endpoint

Quick assessment

Affected
kstover Ninja Forms – The Contact Form Builder That Grows With You
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.

WordPress Ninja Forms是WordPress基金会的一款信息化产品。 WordPress Ninja Forms 3.14.1及之前版本存在授权问题漏洞，该漏洞源于对‘ninja-forms-views/token/refresh’REST回调缺少授权检查，可能导致未经身份验证的攻击者查看可能包含敏感信息的表单提交数据。

CVSS 7.5 · High EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
kstover Ninja Forms – The Contact Form Builder That Grows With You ≤ 3.14.1 affected
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I. Basic Information for CVE-2026-1239

Vulnerability Information
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Vulnerability Title
Ninja Forms <= 3.14.1 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via token/refresh REST Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to unauthorized access of data due to a missing authorization check on the 'ninja-forms-views/token/refresh' REST callback in all versions up to, and including, 3.14.1. This makes it possible for unauthenticated attackers to view form submissions, which could potentially contain sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Ninja Forms 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Ninja Forms是WordPress基金会的一款信息化产品。 WordPress Ninja Forms 3.14.1及之前版本存在授权问题漏洞，该漏洞源于对‘ninja-forms-views/token/refresh’REST回调缺少授权检查，可能导致未经身份验证的攻击者查看可能包含敏感信息的表单提交数据。
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
kstover Ninja Forms – The Contact Form Builder That Grows With You 0 ~ 3.14.1 -

II. Public POCs for CVE-2026-1239

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III. Intelligence Information for CVE-2026-1239

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Patches & Fixes for CVE-2026-1239 (1)

News Coverage for CVE-2026-1239 (1)

IV. Related Vulnerabilities

Same product: Ninja Forms – The Contact Form Builder That Grows With You
Same vendor: kstover
Same weakness: CWE-862

V. Comments for CVE-2026-1239

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