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 ↗

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

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

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