---
title: "CVE-2026-93031: WP Cloud Plugins - Arbitrary File Upload"
description: "WP Cloud Plugins Use-your-Drive, Out-of-the-Box, Share-one-Drive, and Lets-Box for WordPress <= 3.8.3 contain an arbitrary file upload caused by missing capability checks and improper file validation in download_file_to_uploads, letting authenticated attackers with subscriber-level access upload executable files, exploit requires subscriber-level authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-93031/
---

# CVE-2026-93031 WP Cloud Plugins - Arbitrary File Upload

WP Cloud Plugins Use-your-Drive, Out-of-the-Box, Share-one-Drive, and Lets-Box for WordPress <= 3.8.3 contain an arbitrary file upload caused by missing capability checks and improper file validation in download\_file\_to\_uploads, letting authenticated attackers with subscriber-level access upload executable files, exploit requires subscriber-level authentication.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.58% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93031)

## Details

Type

Arbitrary File Upload

Impact

Remote Code Execution, File System Write

CVSS vector

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

Published

18 September 2026

Updated

15 October 2026

Weakness

[CWE-434](https://cwe.mitre.org/data/definitions/434.html)

## Vendor fix

Update to the latest version beyond 3.8.3.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93031](https://nvd.nist.gov/vuln/detail/CVE-2026-93031)
- [https://wpcloudplugins.gitbook.io/docs/other/changelog](https://wpcloudplugins.gitbook.io/docs/other/changelog)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/a10ab4d6-318e-4dd6-9f81-ed25f181d074?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/a10ab4d6-318e-4dd6-9f81-ed25f181d074?source=cve)
- [https://documentation.wpcloudplugins.com/other/changelog#id-3.9.0](https://documentation.wpcloudplugins.com/other/changelog#id-3.9.0)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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