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CVE-2025-2563— User Registration & Membership < 4.1.2- Unauthenticated Privilege Escalation

Quick assessment

Affected
Unknown User Registration & Membership
Exploitation
Public or AI PoC available; prioritize validation
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 User Registration & Membership 4.1.2之前版本存在安全漏洞，该漏洞源于权限提升问题，可能导致未经验证的用户获得管理员权限。

AI Predicted 9.8 Difficulty: Easy EPSS 46.38% · P99

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2025-2563

Vulnerability Information
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Vulnerability Title
User Registration & Membership < 4.1.2- Unauthenticated Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
The User Registration & Membership WordPress plugin before 4.1.2 does not prevent users to set their account role when the Membership Addon is enabled, leading to a privilege escalation issue and allowing unauthenticated users to gain admin privileges
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin User Registration & Membership 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 User Registration & Membership 4.1.2之前版本存在安全漏洞，该漏洞源于权限提升问题，可能导致未经验证的用户获得管理员权限。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown User Registration & Membership 0 ~ 4.1.2 -

II. Public POCs for CVE-2025-2563

# POC Description Source Link Shenlong Link
1 CVE-2025-2563 PoC https://github.com/ubaydev/CVE-2025-2563 POC Details
2 The User Registration & Membership plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 4.1.1. This is due to insufficient restrictions on role type in the 'prepare_members_data()' function. This makes it possible for unauthenticated attackers to create newuser accounts with the 'administrator' role, allowing complete control over the affected WordPress site. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-2563.yaml POC Details
3 None https://github.com/0axz-tools/CVE-2025-2563-POC POC Details
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III. Intelligence Information for CVE-2025-2563

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Vendor Advisories for CVE-2025-2563 (1)

IV. Related Vulnerabilities

Same product: User Registration & Membership
Same vendor: Unknown

V. Comments for CVE-2025-2563

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