CVE-2026-4357
criticalThe 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 po…
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.
CVSS
10.0
10.0 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (contact@wpscan.com)
Timeline (UTC)
Published: 2026-09-02 15:17
Modified: 2026-09-03 17:50
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:50 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://wpscan.com/vulnerability/b364969d-9dac-46ce-83e2-fc0fc2e5f698/ contact@wpscan.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:50 UTC · record ↗