CVE-2026-39591: Security Advisory

CVE: CVE-2026-39591 CVSS 9.9

CVE-2026-39591 is a critical-severity vulnerability (CVSS 9.9).

Summary

Subscriber Arbitrary File Upload in WP-BusinessDirectory <= 4.0.0 versions.

Remediation

Apply the vendor’s update during your next patch window and verify exposure. Patch-management tools that can deploy and verify the fix include Action1, Automox, ManageEngine Patch Manager Plus, ManageEngine Endpoint Central. See our best patch management ranking.

Sources

https://patchstack.com/database/wordpress/plugin/wp-businessdirectory/vulnerability/wordpress-wp-businessdirectory-plugin-4-0-0-arbitrary-file-upload-vulnerability?_s_id=cve

Data as of June 16, 2026. Sources: nvd.nist.gov, patchstack.com. Figures are pulled from public vendor and security data and refreshed automatically.