CVE-2025-59899: Flexense Diskpulse

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in  '/server_options?sid=', affecting the 'tasks_logs_dir', 'errors_logs_dir', 'error_notifications_address', 'status_notifications_address', and 'status_reports_address' parameters.

Affected products

  • Flexense Diskpulse: version 10.4.18 only
  • Flexense Syncbreeze: version 10.4.18 only

Published 2026-01-28. Last modified 2026-06-17.