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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Wed, 02 Sep 2026 10:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Embed HTML5 Game <= 1.3 - Unauthenticated Arbitrary File Upload
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-02T14:57:37.949Z

Reserved: 2026-03-17T18:48:12.269Z

Link: CVE-2026-4357

cve-icon Vulnrichment

Updated: 2026-09-02T14:44:13.696Z

cve-icon NVD

Status : Deferred

Published: 2026-09-02T15:17:38.413

Modified: 2026-09-03T17:50:37.690

Link: CVE-2026-4357

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-03T12:00:04Z

Weaknesses