CVE-2026-4357
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.
- Published Sep 2, 2026
- CVSS 10.0 critical
- 0.5% chance of exploitation in the next 30 days (EPSS)