CVE-2026-67189

pfSense Plus before 26.07 and pfSense CE through 2.8.1 contain a stored cross-site scripting vulnerability in the Traffic Graphs top-talkers feature, where PTR records returned by reverse DNS lookups are incorporated without sanitization into AJAX responses and rendered as HTML through a DOM sink...

CVE-2026-67189

pfSense Plus before 26.07 and CE through 2.8.1 render PTR records as unsanitized HTML in Traffic Graphs AJAX responses. An attacker controlling a PTR record who appears as a top talker can execute arbitrary JavaScript in an admin's browser, enabling session hijacking and OS command execution. Fix...

CVE-2026-67189 pfSense Plus/CE Stored XSS via Traffic Graphs PTR Record

pfSense Plus before 26.07 and pfSense CE through 2.8.1 contain a stored cross-site scripting vulnerability in the Traffic Graphs top-talkers feature, where PTR records returned by reverse DNS lookups are incorporated without sanitization into AJAX responses and rendered as HTML through a DOM sink...