CVE-2026-39591

CRITICAL 9.9

WordPress WP-BusinessDirectory plugin <= 4.0.0 - Arbitrary File Upload vulnerability

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-434
Vendor	cmsjunkie – wordpress business directory plugins
Product	wp-businessdirectory
Published	Jun 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

CMSJunkie – WordPress Business Directory Plugins / WP-BusinessDirectory

n/a ≤ 4.0.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Jarno Vos (jrn5151) | Patchstack Bug Bounty Program