Is B2BKing safe to use?

Laskyr does not give safety verdicts. No known unpatched vulnerabilities in the latest version (5.2.61). As of 2026-11-04. 5 issues are on record for older versions; version 5.2.40 or newer fixes all of them that state a fix. Keep B2BKing on the latest version (5.2.61) and remove it if you do not use it.

Which versions of B2BKing are vulnerable?

Known issues on record (newest first): Missing authorization check (older than 5.2.40, fixed in 5.2.40); Missing authorization check (5.2.30 and older, fixed in 5.2.40); Missing authorization check (older than 5.2.10, fixed in 5.2.10); Missing authorization check (4.6.00 and older, fixed in 4.6.80). The full list with sources is on this page.

What is the latest version of B2BKing?

5.2.61, according to wordpress.org (last updated 2026-10-07). It has 10,000+ active installs.

What should I do if my B2BKing is out of date?

Take a backup, then update it from Dashboard > Updates (or run wp plugin update b2bking-wholesale-for-woocommerce). If you cannot update right away, deactivate it until you can. If you think the site was already attacked, run a free scan at https://laskyr.com/scan.

Plugins · b2bking-wholesale-for-woocommerce · data as of 2026-11-04

Is B2BKing safe? Known vulnerabilities and latest version

Latest version: 5.2.61
Last updated: 2026-10-07
Active installs: 10,000+
Known issues on record: 5
Unpatched in latest: 0
Tested up to WP: 7.1.4 · PHP 5.6.20+

B2BKing is the complete solution for running a Wholesale, B2B or B2B + B2C hybrid store with WooCommerce. — by KingsPlugins

What to do

Update to the latest version (5.2.61). Anything older than 5.2.40 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
If you cannot update right away, deactivate it until you can.
Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.

With WP-CLI: wp plugin get b2bking-wholesale-for-woocommerce --field=version shows what you run; wp plugin update b2bking-wholesale-for-woocommerce updates it.

Check your version

Known vulnerabilities

5 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.

medium 5.3 CVE-2026-85038 · published 2026-09-06

Missing authorization check in B2BKing (older than 5.2.40)

Affected: older than 5.2.40
Fixed in: 5.2.40
Access needed (per CVSS): No login needed
Range from: CVE record (the advisory publisher) · score by CISA ADP

Details from the advisory

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.

NVD CVE-2026-85038 WPScan advisory

medium 5.4 CVE-2026-66589 · published 2026-08-18

Missing authorization check in B2BKing (5.2.30 and older)

Affected: 5.2.30 and older
Fixed in: 5.2.40
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

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.

NVD CVE-2026-66589 Patchstack advisory

medium 4.9 CVE-2026-27346 · published 2026-05-25

Missing authorization check in B2BKing (older than 5.2.10)

Affected: older than 5.2.10
Fixed in: 5.2.10
Access needed (per CVSS): Needs an admin-level account
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Missing Authorization vulnerability in Kings Plugins B2BKing allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects B2BKing: from n/a before 5.2.10.

NVD CVE-2026-27346 Patchstack advisory

medium 6.5 CVE-2023-3125 · published 2023-06-07

Missing authorization check in B2BKing (4.6.00 and older)

Affected: 4.6.00 and older
Fixed in: 4.6.80 *
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The B2BKing plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'b2bking_save_price_import' function in versions up to, and including, 4.6.00. This makes it possible for Authenticated attackers with subscriber or customer-level permissions to modify the pricing of any product on the site.

NVD CVE-2023-3125 Wordfence advisory blog.nintechnet.com woocommerce-b2b-plugin.com

medium 4.3 CVE-2023-3126 · published 2023-06-07

Missing authorization check in B2BKing (4.6.00 and older)

Affected: 4.6.00 and older
Fixed in: 4.6.80 *
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by NVD

Details from the advisory

The B2BKing plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'b2bkingdownloadpricelist' function in versions up to, and including, 4.6.00. This makes it possible for Authenticated attackers with subscriber or customer-level permissions to retrieve the full pricing list of all products on the site.

NVD CVE-2023-3126 Wordfence advisory blog.nintechnet.com woocommerce-b2b-plugin.com

Recent activity

2026-10-07 — latest release on wordpress.org (5.2.61).
2026-09-06 — Missing authorization check disclosed (CVE-2026-85038), fixed in 5.2.40.
2026-08-18 — Missing authorization check disclosed (CVE-2026-66589), fixed in 5.2.40.
2026-05-25 — Missing authorization check disclosed (CVE-2026-27346), fixed in 5.2.10.

Free. We check the CVE feeds every day and email you only when a new issue for B2BKing (b2bking-wholesale-for-woocommerce) is published or a fix ships. Unsubscribe in one click.

Browse vulnerabilities

Types found in this plugin: Missing authorization (5)

Where this data comes from

Version, last update, installs: wordpress.org/plugins/b2bking-wholesale-for-woocommerce (Plugins API), fetched 2026-11-04.
Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.

Badge for your site or docs (states facts with a date, not a verdict):

<a href="https://laskyr.com/plugins/b2bking-wholesale-for-woocommerce"><img src="https://laskyr.com/plugins/b2bking-wholesale-for-woocommerce/badge.svg" alt="B2BKing vulnerability status"></a>

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Is B2BKing safe? Known vulnerabilities and latest version

No known unpatched vulnerabilities in the latest version (5.2.61)

What to do

Check your version

Known vulnerabilities

Missing authorization check in B2BKing (older than 5.2.40)

Missing authorization check in B2BKing (5.2.30 and older)

Missing authorization check in B2BKing (older than 5.2.10)

Missing authorization check in B2BKing (4.6.00 and older)

Missing authorization check in B2BKing (4.6.00 and older)

Recent activity

Get an email when B2BKing has a new vulnerability

Browse vulnerabilities

Where this data comes from