CVE-2026-66589: WordPress B2BKing plugin <= 5.2.30 - Broken Access Control vulnerability

Published Aug 18, 2026
·
Updated

Missing Authorization vulnerability in Kings Plugins B2BKing allows Exploiting Incorrectly Configured Access Control Security Levels.

This issue affects B2BKing: from n/a through 5.2.30.

Affected Software

1 affected component
Kings Plugins B2BKing<=5.2.30

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade WordPress B2BKing plugin to a version that resolves this vulnerability.

    Fixed in 5.2.40

Event History

Aug 18, 2026
CVE Published
via MITRE·10:17 PM
Data Sourced
via MITRE·10:17 PM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

What level of access does an attacker need to exploit this issue?

Exploitation is network-reachable, requires low-level privileges, and does not require user interaction. The issue can affect confidentiality and integrity, while no availability impact is indicated.

2

Which versions are affected, and is a fixed release identified?

B2BKing versions through 5.2.30 are affected. The provided data does not identify a fixed version.

3

What is known about the affected access-control condition?

The vulnerability is described as missing authorization caused by incorrectly configured access-control security levels. The provided data does not specify affected endpoints, settings, detection steps, or a workaround when patching is unavailable.

Contact

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