CVE-2026-6400— Child Height Predictor by Ostheimer <= 1.3 - Cross-Site Request Forgery to Settings Update via Plugin Settings Form
Possible ATT&CK Techniques 3AI
T1059 · Command and Scripting Interpreter T1548 · Abuse Elevation Control Mechanism T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| 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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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Advisory · 1Patch · 2Other · 2
IV. Related Vulnerabilities
Same weakness: CWE-352
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JupyterHub: Cross-origin form POSTs bypass XSRF - CVE-2026-8340
Concrete CMS 9.5.0 and below is vulnerable to CSRF via Backe - CVE-2026-7615
Widget Context <= 1.3.3 - Cross-Site Request Forgery to Sett - CVE-2026-4070
Alfie <= 1.2.1 - Cross-Site Request Forgery to Feed Deletion - CVE-2026-8409
Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Requ
V. Comments for CVE-2026-6400
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