CVE-2026-111233: falha de baixa gravidade em Netgate pfSense CE
Netgate pfSense CE 2.7.1 through 2.9.0 Reflected XSS via firewall_rules.php
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
28Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 2.3epss 1.1%
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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Produtos afetados
Netgate · pfSense CEPoCs públicas encontradas — 1
cve_referencegithub.com/abraxas/pfsense-rules-if-xssnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
CVEs relacionadas — Netgate pfSense CE
No mesmo produto, das mais perigosas para as menos.
CVE-2025-34175MEDIUMNetgate pfSense CE Suricata package v7.0.8_2 Reflected Cross-Site ScriptingEPSS 21.3%CVE-2025-34176MEDIUMNetgate pfSense CE Suricata Package v7.0.8_2 Directory Traversal Information DisclosureEPSS 17.3%CVE-2025-34174MEDIUMNetgate pfSense CE Status_Traffic_Totals Package v2.3.2_7 Stored Cross-Site ScriptingEPSS 14.5%CVE-2026-111214HIGHNetgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via interfaces_qinq_edit.phpEPSS 10.8%CVE-2026-111218HIGHNetgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper LimitersEPSS 8.6%CVE-2026-111217HIGHNetgate pfSense CE through 2.9.0 OS Command Injection via CARP VHIDEPSS 7.0%
Referências
https://abraxaslabs.tech/research/pfsense-ce-leftovershttps://github.com/abraxas/pfsense-rules-if-xsshttps://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/firewall_rules.php#L138-L146https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/firewall_rules.php#L391https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.1-through-2.9.0-reflected-xss-via-firewall-rules-php