CVE-2026-111233

Netgate pfSense CE 2.7.1 through 2.9.0 contains a reflected cross-site scripting vulnerability in firewall_rules.php that allows remote attackers to inject script via the unencoded if parameter. When the non-default Require Firewall Interface option is enabled, attackers can lure users with firewall rules privileges into opening a crafted GET link to execute script in the WebGUI with their privileges.
Configurations

Configuration 1 (hide)

cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*

History

19 Oct 2026, 20:41

Type Values Removed Values Added
CPE cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*
First Time Pfsense
Pfsense pfsense
References () https://abraxaslabs.tech/research/pfsense-ce-leftovers - () https://abraxaslabs.tech/research/pfsense-ce-leftovers - Issue Tracking
References () https://github.com/abraxas/pfsense-rules-if-xss - () https://github.com/abraxas/pfsense-rules-if-xss - Third Party Advisory
References () https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/firewall_rules.php#L138-L146 - () https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/firewall_rules.php#L138-L146 - Product
References () https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/firewall_rules.php#L391 - () https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/firewall_rules.php#L391 - Product
References () https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.1-through-2.9.0-reflected-xss-via-firewall-rules-php - () https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.1-through-2.9.0-reflected-xss-via-firewall-rules-php - Third Party Advisory

15 Oct 2026, 19:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-10-15 19:17

Updated : 2026-10-19 20:41


NVD link : CVE-2026-111233

Mitre link : CVE-2026-111233

CVE.ORG link : CVE-2026-111233


JSON object : View

Products Affected

pfsense

  • pfsense
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')