EUVD-2026-40908
GHSA-xgpp-v9mr-6fg2
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Unauthenticated network endpoint with trivial ../ traversal (AV:N/AC:L/PR:N/UI:N); arbitrary file deletion harms integrity and availability (I:H/A:H) but reveals no data (C:N).
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
Articles & Coverage 2
AnalysisAI
Arbitrary file deletion in the WP-BusinessDirectory (Business Directory) plugin for WordPress (versions ≤ 4.0.1) lets unauthenticated remote attackers delete any file the web server can access, including wp-config.php. The flaw stems from the frontend-accessible task=upload.remove endpoint accepting an unsanitized _filename parameter that permits ../ path traversal. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the WP-BusinessDirectory plugin (≤ 4.0.1) to be installed and active so its frontend router exposes the task=upload.remove endpoint, which is reachable without authentication. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H scores 9.1 (Critical) with the impact concentrated on integrity and availability rather than confidentiality - consistent with file deletion rather than data theft. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated attacker sends a single crafted HTTP request to the plugin's frontend router with task=upload.remove, _path_type=2, and a _filename such as ../../../../wp-config.php. The RAW-filtered parameter bypasses path validation and PHP's unlink() deletes the target file; removing wp-config.php can knock the site into its installation wizard, opening a path to full site takeover. … |
| Remediation | No fixed version is stated in the provided data, so at time of analysis treat this as: no vendor-released patched version independently confirmed - check the Wordfence advisory (https://www.wordfence.com/threat-intel/vulnerabilities/id/d7d68f43-2a57-4352-8aae-0657b386ac7c?source=cve) and the WordPress.org plugin page for a release above 4.0.1 and upgrade to it as soon as available. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Scan all WordPress installations for WP-BusinessDirectory version 4.0.1 or earlier; immediately disable the plugin on all affected sites. …
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External POC / Exploit Code
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