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CVE-2026-104401— WordPress Memberful - Membership Plugin plugin <= 1.81.2 - Sensitive Data Exposure vulnerability

Quick assessment

Affected
Memberful Memberful - Membership Plugin
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.

在 Memberful Membership Plugin（memberful-wp）中，存在一个“敏感系统信息暴露给未授权控制域”的漏洞，该漏洞允许攻击者检索嵌入的敏感数据。此问题影响 Memberful - Membership Plugin 版本从 n/a 至 1.81.2。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1213 · Data from Information Repositories
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I. Basic Information for CVE-2026-104401

Vulnerability Information
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Vulnerability Title
WordPress Memberful - Membership Plugin plugin <= 1.81.2 - Sensitive Data Exposure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Memberful Memberful - Membership Plugin memberful-wp allows Retrieve Embedded Sensitive Data.This issue affects Memberful - Membership Plugin: from n/a through 1.81.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将系统数据暴露到未授权控制的范围
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Memberful Memberful - Membership Plugin 0 ~ 1.81.2 -

II. Public POCs for CVE-2026-104401

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III. Intelligence Information for CVE-2026-104401

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Other References for CVE-2026-104401 (1)

IV. Related Vulnerabilities

Same product: Memberful - Membership Plugin
Same vendor: Memberful
Same weakness: CWE-497

V. Comments for CVE-2026-104401

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