B2BKing Plugin up to 5.2.39 on WordPress authorization

Summaryinfo

A vulnerability was found in B2BKing Plugin up to 5.2.39. It has been classified as critical. The affected element is an unknown function. The manipulation leads to authorization. This vulnerability is listed as CVE-2026-85038. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in B2BKing Plugin up to 5.2.39. It has been rated as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The B2BKing — Ultimate WooCommerce B2B and Wholesale Plugin — Wholesale Prices, Bulk Order Form & More WordPress plugin before 5.2.40 does not verify that a role selected during registration is one actually offered on the registration form, allowing unauthenticated users to assign themselves to restricted B2B customer groups and to skip the manual account-approval workflow during self-registration.

It is possible to read the advisory at wpscan.com. The identification of this vulnerability is CVE-2026-85038 since 09/02/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.2.40 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-72066). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• B2BKing Plugin

Version

• 5.2.0
• 5.2.1
• 5.2.2
• 5.2.3
• 5.2.4
• 5.2.5
• 5.2.6
• 5.2.7
• 5.2.8
• 5.2.9
• 5.2.10
• 5.2.11
• 5.2.12
• 5.2.13
• 5.2.14
• 5.2.15
• 5.2.16
• 5.2.17
• 5.2.18
• 5.2.19
• 5.2.20
• 5.2.21
• 5.2.22
• 5.2.23
• 5.2.24
• 5.2.25
• 5.2.26
• 5.2.27
• 5.2.28
• 5.2.29
• 5.2.30
• 5.2.31
• 5.2.32
• 5.2.33
• 5.2.34
• 5.2.35
• 5.2.36
• 5.2.37
• 5.2.38
• 5.2.39

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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