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I. Basic Information for CVE-2025-4334
Vulnerability Information

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Vulnerability Title
Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Simple User Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3. This is due to insufficient restrictions on user meta values that can be supplied during registration. This makes it possible for unauthenticated attackers to register as an administrator.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Simple User Registration 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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Simple User Registration 6.3及之前版本存在安全漏洞,该漏洞源于用户元值限制不足,可能导致权限提升。
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
VendorProductAffected VersionsCPESubscribe
nmediaSimple User Registration * ~ 6.3 -
II. Public POCs for CVE-2025-4334
#POC DescriptionSource LinkShenlong Link
1Simple User Registration <= 6.3 - Unauthenticated Privilege Escalationhttps://github.com/Nxploited/CVE-2025-4334POC Details
2The Simple User Registration plugin ≤ 6.3 is vulnerable to privilege escalation. It lacks proper restrictions on user meta values during registration. Unauthenticated attackers can exploit this to register as administrators. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-4334.yamlPOC Details
3Proof-of-concept exploit for CVE-2025-4334, a privilege escalation vulnerability in the Simple User Registration WordPress plugin (<= 6.3), allowing unauthenticated attackers to create administrator accounts.https://github.com/0xgh057r3c0n/CVE-2025-4334POC Details
4Proof-of-concept exploit for CVE-2025-4334, a privilege escalation vulnerability in the Simple User Registration WordPress plugin (<= 6.3), allowing unauthenticated attackers to create administrator accounts.https://github.com/zr1p3r/CVE-2025-4334POC Details
5The Simple User Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3. This is due to insufficient restrictions on user meta values that can be supplied during registration. This makes it possible for unauthenticated attackers to register as an administrator.https://github.com/vinodwick/CVE-2025-4334POC Details
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III. Intelligence Information for CVE-2025-4334
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