CVE-2026-4357
Critical · 10.0CVSS
10.0
EPSS
0.5%
Published
Sep 2, 2026
CISA due date
—
The record
The Embed HTML5 Game WordPress plugin through 1.3 does not properly restrict who can upload files via the plugin, as well as what can be uploaded, making it possible for unauthenticated attackers to upload PHP backdoors on affected sites.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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