Is CVE-2026-56127 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-56127?

CVE-2026-56127 has a CVSS v3 severity of MEDIUM (5.4).

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CVE-2026-56127

Description

pfSense Plus before 26.07 and CE before 2.9.0 allow authenticated users with the Firewall: Rules: Edit privilege to inject arbitrary JavaScript via the descr parameter in /firewall_rules_edit.php. The firewall rule description is stored in the pfSense XML configuration with only backslash-escaping applied and no HTML sanitization, then rendered without encoding in the firewall log table in /status_logs_filter.php. The payload executes in the browser of any user with the Status: Logs: Firewall privilege who views the affected log entries.