CVE-2026-4357
Embed HTML5 Game <= 1.3 - Unauthenticated Arbitrary File Upload
CVSS Score
10.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | unknown |
| Product | embed html5 game |
| Published | Sep 2, 2026 |
| Last Updated | Sep 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Unknown / Embed HTML5 Game
0 ≤ 1.3
References
Credits
Mike Gozdiskowski WPScan