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CVE-2026-4136— Membership Plugin – Restrict Content <= 3.2.24 - Unvalidated Redirect in Password Reset Flow via rcp_redirect

Quick assessment

Affected
stellarwp Membership Plugin – Restrict Content
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 Membership Plugin – Restrict Content 3.2.24及之前版本存在授权问题漏洞，该漏洞源于对重定向URL验证不足，可能导致未经身份验证的攻击者将用户重定向到潜在恶意站点。

CVSS 4.3 · Medium EPSS 0.34% · P26
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I. Basic Information for CVE-2026-4136

Vulnerability Information
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Vulnerability Title
Membership Plugin – Restrict Content <= 3.2.24 - Unvalidated Redirect in Password Reset Flow via rcp_redirect
Source: CVE Program / CVE List V5
Vulnerability Description
The Membership Plugin – Restrict Content plugin for WordPress is vulnerable to Unvalidated Redirect in all versions up to, and including, 3.2.24. This is due to insufficient validation on the redirect url supplied via the 'rcp_redirect' parameter. This makes it possible for unauthenticated attackers to redirect users with the password reset email to potentially malicious sites if they can successfully trick them into performing an action.
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
忘记口令恢复机制弱
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Membership Plugin – Restrict Content 授权问题漏洞
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 Membership Plugin – Restrict Content 3.2.24及之前版本存在授权问题漏洞，该漏洞源于对重定向URL验证不足，可能导致未经身份验证的攻击者将用户重定向到潜在恶意站点。
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
stellarwp Membership Plugin – Restrict Content * ~ 3.2.24 -

II. Public POCs for CVE-2026-4136

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III. Intelligence Information for CVE-2026-4136

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Patches & Fixes for CVE-2026-4136 (2)

IV. Related Vulnerabilities

Same product: Membership Plugin – Restrict Content
Same vendor: stellarwp
Same weakness: CWE-640

V. Comments for CVE-2026-4136

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