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CVE-2026-111233

Netgate pfSense CE 2.7.1 through 2.9.0 Reflected XSS via firewall_rules.php

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Netgate pfSense CE

    From 2.7.1 · through 2.9.0

References 5

GitHub · abraxas/pfsense-rules-if-xss

abraxaslabs.tech

GitHub · pfsense/pfsense

vulncheck.com