CVE-2024-57273: Netgate Pfsense CE

Medium severity, CVSS 5.4. EPSS: 1.3% chance of exploitation in the next 30 days.

Netgate pfSense CE (prior to 2.8.0 beta release) and corresponding Plus builds is vulnerable to Cross-site scripting (XSS) in the Automatic Configuration Backup (ACB) service, allowing remote attackers to execute arbitrary JavaScript, delete backups, or leak sensitive information via an unsanitized "reason" field and a derivable device key generated from the public SSH key.

Affected products

  • Netgate Pfsense CE: before 2.8.0 (fixed in 2.8.0)
  • Netgate Pfsense Plus: before 25.03 (fixed in 25.03)

Published 2025-05-14. Last modified 2026-07-05.