CVE-2026-103688

CriticalCVSS 9.8/10Last modified Oct 28, 2026

Description

The Checkout Files Upload for WooCommerce WordPress plugin before 2.4.0 does not validate uploaded file types when its accepted file types setting is left empty, which it documents as the way to accept all files, allowing unauthenticated users to upload arbitrary files, including PHP files that lead to remote code execution on servers that execute PHP from the uploads directory.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 28, 2026
Last modified
Oct 28, 2026
NVD status
Deferred

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CVE-2026-103688: Critical severity, CVSS 9.8 | Vulnix