GHSA-3c8g-23wp-3mx8MediumCVSS 5.4
pfSense Plus before 26.07 and CE before 2.9.0 allow authenticated users with the Firewall: Rules:...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-56127
- https://docs.netgate.com/downloads/pfSense-SA-26_10.webgui.asc
- https://docs.netgate.com/pfsense/en/latest/releases/2-9-0.html
- https://docs.netgate.com/pfsense/en/latest/releases/26-07.html
- https://www.vulncheck.com/advisories/pfsense-plus-ce-stored-xss-via-firewall-rules-edit-php
- https://github.com/advisories/GHSA-3c8g-23wp-3mx8