Known vulnerabilities in B2BKing — Ultimate WooCommerce B2B and Wholesale Plugin — Wholesale Prices, Bulk Order Form & More

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

2Reported vulnerabilities

4.3Highest CVSS score

5.2.40Latest version

10,000+Active installs

What to do now

Update B2BKing — Ultimate WooCommerce B2B and Wholesale Plugin — Wholesale Prices, Bulk Order Form & More to 5.2.40 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 17, 2026 / Tested up to WordPress: 7.1 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2026-66589	Medium 4.3	0.1%	5.2.30 and earlier	`5.2.40`	August 18, 2026
CVE-2026-27346	Low 2.7	0.3%	Before 5.2.10	`5.2.10`	May 25, 2026

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.