Unauthenticated Sensitive Data Exposure in Ebook Store

Executive Summary

CVE-2026-59529 is an unauthenticated sensitive data exposure vulnerability in the WordPress Ebook Store Plugin versions 6.19 and below. It allows attackers to access sensitive information without authentication, which should normally be restricted. The flaw has a CVSS severity score of 7.5, indicating high risk.

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Detection Guidance

To detect this vulnerability, check if your WordPress site is running Ebook Store plugin version 6.19 or below. You can use commands like 'wp plugin list' in WP-CLI or inspect the plugin files directly. If the version is outdated, the system is likely vulnerable.

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Impact Analysis

This vulnerability can lead to unauthorized access to sensitive data, potentially exposing user information or system details. Attackers may exploit this to gather data for further attacks, including mass-exploit campaigns. Systems running vulnerable versions are at high risk of compromise.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, which may violate GDPR and HIPAA compliance requirements. Unauthorized exposure of personal or health-related data could result in regulatory penalties, legal liabilities, and reputational damage for organizations handling such information.

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Mitigation Strategies

Immediately update the Ebook Store plugin to version 6.20 or later. If updating is not possible, seek assistance from a hosting provider or web developer. Since no virtual patch exists, updating is the only reliable mitigation.

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