{"apiVersion":"1.0","identifier":"CVE-2026-67189","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.","publishedAt":"2026-08-19T20:17:20","lastModifiedAt":"2026-08-25T14:16:53","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-67189","cvssScore":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","epssProbability":0.0053,"riskScore":0.64,"affectedProduct":"pfSense","affectedVersions":"<26.07,<=2.8.1","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-67189","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-67189","en":"https://www.redsauce.net/en/cves/CVE-2026-67189","fr":"https://www.redsauce.net/fr/cves/CVE-2026-67189","pt":"https://www.redsauce.net/pt/cves/CVE-2026-67189","de":"https://www.redsauce.net/de/cves/CVE-2026-67189","sk":"https://www.redsauce.net/sk/cves/CVE-2026-67189","el":"https://www.redsauce.net/el/cves/CVE-2026-67189"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-67189"}}