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CVE-2026-6070— WP-BusinessDirectory <= 4.0.1 - Unauthenticated Arbitrary File Deletion via Path Traversal via '_filename' Parameter

Quick assessment

Affected
cmsjunkie WP-BusinessDirectory – Business directory plugin for WordPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

cmsjunkie WP-BusinessDirectory – Business directory plugin for WordPress是cmsjunkie个人开发者的一款网站商业目录插件。 cmsjunkie WP-BusinessDirectory – Business directory plugin for WordPress 4.0.1及之前版本存在输入验证错误漏洞，该漏洞源于对remove()方法中路径验证不足，在JBusinessDirectoryControllerUpload类中

CVSS 9.1 · Critical EPSS 0.76% · P55

Affected Version Matrix 1

VendorProduct Version RangeStatus
cmsjunkie WP-BusinessDirectory – Business directory plugin for WordPress ≤ 4.0.1 affected
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I. Basic Information for CVE-2026-6070

Vulnerability Information
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Vulnerability Title
WP-BusinessDirectory <= 4.0.1 - Unauthenticated Arbitrary File Deletion via Path Traversal via '_filename' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The WP-BusinessDirectory plugin for WordPress is vulnerable to Unauthenticated Arbitrary File Deletion in versions up to and including 4.0.1. This is due to insufficient path validation in the remove() method of the JBusinessDirectoryControllerUpload class. The task=upload.remove endpoint is accessible without authentication via the plugin's frontend routing system. The _filename parameter is accepted with RAW filter (no sanitization), and the helper function makePathFile() only normalizes directory separator characters without stripping path traversal sequences (../). When combined with the _path_type=2 parameter, which sets the base directory to the plugin's site folder, an attacker can supply a _filename value containing ../ sequences to traverse outside the plugin directory and call PHP's unlink() on arbitrary files — including wp-config.php, wp-config-backup.php, or other critical server files accessible to the web server process. This makes it possible for unauthenticated attackers to delete arbitrary files on the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
cmsjunkie WP-BusinessDirectory – Business directory plugin for WordPress 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cmsjunkie WP-BusinessDirectory – Business directory plugin for WordPress是cmsjunkie个人开发者的一款网站商业目录插件。 cmsjunkie WP-BusinessDirectory – Business directory plugin for WordPress 4.0.1及之前版本存在输入验证错误漏洞，该漏洞源于对remove()方法中路径验证不足，在JBusinessDirectoryControllerUpload类中
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cmsjunkie WP-BusinessDirectory – Business directory plugin for WordPress 0 ~ 4.0.1 -

II. Public POCs for CVE-2026-6070

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III. Intelligence Information for CVE-2026-6070

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Patches & Fixes for CVE-2026-6070 (3)

News Coverage for CVE-2026-6070 (1)

IV. Related Vulnerabilities

Same vendor: cmsjunkie
Same weakness: CWE-73

V. Comments for CVE-2026-6070

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