CyberRota Analysis
AI-GeneratedThe Traffic Graphs top-talkers feature in pfSense Plus versions prior to 26.07 and pfSense CE versions up to 2.8.1 is vulnerable to a stored cross-site scripting attack due to unsanitized PTR records from reverse DNS lookups being rendered in the administrator interface. An attacker controlling a PTR record can exploit this vulnerability to execute arbitrary JavaScript in an administrator's browser, potentially compromising the authenticated session and allowing for account creation and arbitrary OS command execution. Organizations using affected versions of pfSense should prioritize patching to mitigate the risk of unauthorized access and control over their firewall management interface.
Original NVD Description
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 in the administrator interface. An attacker who controls a PTR record and generates sufficient traffic to appear as a top talker can execute arbitrary JavaScript in an administrator's browser, gaining access to the authenticated session context and same-origin access to the firewall management interface, enabling account creation and arbitrary OS command execution.