CVE-2026-66595
Deferred Deferred - Pending Action

Unauthenticated Broken Access Control in WP Data Access

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: Patchstack

Description
Unauthenticated Broken Access Control in WP Data Access <= 5.5.80 versions.

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Meta Information

Published
2026-08-20
Last Modified
2026-08-20
Generated
2026-08-20
AI Q&A
2026-08-20
EPSS Evaluated
N/A
NVD
CVE-2026-66595
EUVD
EUVD-2026-63338

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
wp_data_access wp_data_access to 5.5.81 (exc)
wp_data_access wp_data_access to 5.5.80 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This is an unauthenticated broken access control vulnerability in the WP Data Access plugin for WordPress versions 5.5.80 and below. It allows unauthenticated users to perform actions that require higher privileges due to missing authorization, authentication, or nonce token checks.

Detection Guidance

Check if the WP Data Access plugin version is 5.5.80 or below. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files in /wp-content/plugins/wp_data_access/ to verify the version.

Impact Analysis

Attackers could exploit this to gain unauthorized access to sensitive data or perform privileged actions on affected websites. This could lead to data breaches, unauthorized modifications, or other malicious activities. The vulnerability affects thousands of websites and could be targeted in mass-exploit campaigns.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, which may result in non-compliance with regulations like GDPR or HIPAA. Organizations could face legal penalties, fines, or reputational damage if such breaches occur due to this vulnerability.

Mitigation Strategies

Update the WP Data Access plugin to version 5.5.81 or later immediately. If updating is not possible, apply Patchstack's mitigation rule or seek help from a hosting provider or web developer.

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