---
id: CVE-2026-104401
title: >-
  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: fr…
summary: >-
  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: fr…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-497
vendor: Memberful
product: memberful-wp
affected:
  - memberful-wp <= 1.81.2
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T13:16:51.260'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-104401'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/memberful-wp/vulnerability/wordpress-memberful-membership-plugin-plugin-1-81-2-sensitive-data-exposure-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-05T12:57:27.490739Z'
ingestedAt: '2026-10-05T09:16:17.874Z'
epss: 0.00215
epssPercentile: 0.10719
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.