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CVE-2026-6400— Child Height Predictor by Ostheimer <= 1.3 - Cross-Site Request Forgery to Settings Update via Plugin Settings Form

Quick assessment

Affected
helpstring Child Height Predictor by Ostheimer
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 Child Height Predictor by Ostheimer 1.3及之前版本存在跨站请求伪造漏洞，该漏洞源于options函数缺少nonce验证，可能导致未经身份验证的攻击者诱使站点管理员提交伪造请求，导

CVSS 4.3 · Medium EPSS 0.16% · P6

Affected Version Matrix 1

VendorProduct Version RangeStatus
helpstring Child Height Predictor by Ostheimer ≤ 1.3 affected
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I. Basic Information for CVE-2026-6400

Vulnerability Information
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Vulnerability Title
Child Height Predictor by Ostheimer <= 1.3 - Cross-Site Request Forgery to Settings Update via Plugin Settings Form
Source: CVE Program / CVE List V5
Vulnerability Description
The Child Height Predictor by Ostheimer plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 1.3. This is due to missing nonce verification in the options() function, which handles plugin settings updates. The form template does not include a wp_nonce_field() call, and the handler never calls check_admin_referer() or wp_verify_nonce(). This makes it possible for unauthenticated attackers to trick a site administrator into clicking a link or visiting a malicious page that submits a forged POST request, causing unauthorized changes to the plugin settings such as unit preferences to be persisted to the database via update_option().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Child Height Predictor by Ostheimer 跨站请求伪造漏洞
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 Child Height Predictor by Ostheimer 1.3及之前版本存在跨站请求伪造漏洞，该漏洞源于options函数缺少nonce验证，可能导致未经身份验证的攻击者诱使站点管理员提交伪造请求，导
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
helpstring Child Height Predictor by Ostheimer 0 ~ 1.3 -

II. Public POCs for CVE-2026-6400

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III. Intelligence Information for CVE-2026-6400

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Patches & Fixes for CVE-2026-6400 (4)

Vendor Advisories for CVE-2026-6400 (1)

IV. Related Vulnerabilities

Same vendor: helpstring
Same weakness: CWE-352

V. Comments for CVE-2026-6400

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