CVE-2024-58282: s9y Serendipity

High severity, CVSS 7.2. EPSS: 1% chance of exploitation in the next 30 days.

Serendipity 2.5.0 contains a remote code execution vulnerability that allows authenticated administrators to upload malicious PHP files through the media upload functionality. Attackers can exploit the file upload mechanism by creating a PHP shell with a command execution form that enables arbitrary system command execution on the web server.

Affected products

  • s9y Serendipity: version 2.5.0 only

Published 2025-12-10. Last modified 2026-09-26.