CVE-2026-111233lowCWE-79

CVE-2026-111233: low-severity vulnerability in Netgate pfSense CE

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

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28Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

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
Affected products
Netgate · pfSense CE
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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