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CVE-2026-4357

CRITICAL 10.0 CVSS 3.1
Published
September 2, 2026
Last modified
September 3, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-434
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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.

Affected products and versions

  • Unknown Embed HTML5 Game — Up to and including 1.3

References

  • wpscan.com https://wpscan.com/vulnerability/b364969d-9dac-46ce-83e2-fc0fc2e5f698/
  • nvd.nist.gov Official NVD record