CVE-2021-47965: Wp-Super-Edit Wp Super Edit

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

WordPress Plugin WP Super Edit 2.5.4 and earlier contains an unrestricted file upload vulnerability in the FCKeditor component that allows attackers to upload dangerous file types without validation. Attackers can upload arbitrary files through the filemanager upload endpoint to achieve remote code execution and complete system compromise.

Affected products

• Wp-Super-Edit Wp Super Edit: up to and including 2.5.4

Published 2026-05-15. Last modified 2026-06-17.