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CVE-2026-4409— Subscribe To Comments Reloaded <= 240119 - Improper Authorization to Unauthenticated Arbitrary Subscription Management

Quick assessment

Affected
wpkube Subscribe To Comments Reloaded
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 Subscribe To Comments Reloaded 240119及之前版本存在信息泄露漏洞，该漏洞源于密钥泄露和弱哈希算法，可能导致未经身份验证的攻击者从任何公开文章页面提取全局密钥、伪造授权密钥并管理任意

CVSS 6.5 · Medium EPSS 0.39% · P31

Possible ATT&CK Techniques 2 AI

T1136 · Create Account T1500

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpkube Subscribe To Comments Reloaded ≤ 240119 affected
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I. Basic Information for CVE-2026-4409

Vulnerability Information
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Vulnerability Title
Subscribe To Comments Reloaded <= 240119 - Improper Authorization to Unauthenticated Arbitrary Subscription Management
Source: CVE Program / CVE List V5
Vulnerability Description
The Subscribe To Comments Reloaded plugin for WordPress is vulnerable to unauthorized modification of data due to a leaked secret key and usage of a weak hash generation algorithm in all versions up to, and including, 240119. This makes it possible for unauthenticated attackers to extract the global key from any public post page, forge authorization keys and manage comment subscription preferences for arbitrary users
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Subscribe To Comments Reloaded 信息泄露漏洞
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 Subscribe To Comments Reloaded 240119及之前版本存在信息泄露漏洞，该漏洞源于密钥泄露和弱哈希算法，可能导致未经身份验证的攻击者从任何公开文章页面提取全局密钥、伪造授权密钥并管理任意
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
wpkube Subscribe To Comments Reloaded 0 ~ 240119 -

II. Public POCs for CVE-2026-4409

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III. Intelligence Information for CVE-2026-4409

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Vendor Advisories for CVE-2026-4409 (1)

IV. Related Vulnerabilities

Same product: Subscribe To Comments Reloaded
Same vendor: wpkube
Same weakness: CWE-200

V. Comments for CVE-2026-4409

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