CVE-2026-104401
Received Received - Intake

Exposure of Sensitive System Information in Memberful WordPress Plugin

Publication date: 2026-10-05

Last updated on: 2026-10-05

Assigner: Patchstack

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-05
Last Modified
2026-10-05
Generated
2026-10-05
AI Q&A
2026-10-05
EPSS Evaluated
N/A
NVD
CVE-2026-104401
EUVD
EUVD-2026-92290

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
memberful membership_plugin From 1.0.0 (inc) to 1.81.2 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-497 The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability in the Memberful WordPress plugin allows unauthorized access to sensitive data like passwords, emails, or payment details due to improper protection of embedded information. It affects versions up to 1.81.2.

Detection Guidance

To detect this vulnerability, check the installed version of the Memberful - Membership Plugin. If it is 1.81.2 or below, the system is vulnerable. Use commands like 'wp plugin list' in WordPress or inspect the plugin files for version details.

Impact Analysis

Attackers could steal private user data such as credentials or payment information, leading to identity theft, financial loss, or unauthorized account access if the plugin is not updated.

Compliance Impact

Exposure of sensitive data could violate GDPR (data protection) or HIPAA (health information) requirements, potentially resulting in legal penalties, fines, or reputational damage due to unauthorized data disclosure.

Mitigation Strategies

Immediately update the Memberful - Membership Plugin to version 1.82.0 or later. If updating is not possible, seek assistance from your hosting provider or web developer. Enable auto-updates for vulnerable plugins if available.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-104401. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart