{"id":"CVE-2026-78902","title":"Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package","summary":"Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T17:17:14.540","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78902","references":[{"url":"https://www.netspi.com/blog/technical-blog/web-application-pentesting/cve-2026-78902-xss-to-rce-in-pfsense-with-one-dns-request/","label":"cve@mitre.org"},{"url":"https://www.netspi.com/blog/technical-blog/web-application-pentesting/cve-2026-78902-xss-to-rce-in-pfsense-with-one-dns-request/","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-25T16:47:32.317001Z"},"ingestedAt":"2026-09-25T13:08:53.485Z","slug":"CVE-2026-78902","body":"## Overview\n\nCross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":211072,"id":"CVE-2026-78902","ts":1790356440054,"field":"exploit_available","old":"false","new":"true"},{"seq":211071,"id":"CVE-2026-78902","ts":1790356440054,"field":"cvss","old":null,"new":"6.1"},{"seq":211070,"id":"CVE-2026-78902","ts":1790356440054,"field":"severity","old":"none","new":"medium"}]}