CVE-2026-78849

Cross Site Scripting vulnerability in Netgate pfSense Plus software versions <= 26.03 pfSense CE software versions <= 2.8.1 allows a remote attacker to execute arbitrary code via the captive_portal_status.widget.php file

• Published Sep 4, 2026
• CVSS 5.4 medium
• 0.5% chance of exploitation in the next 30 days (EPSS)

CVE-2026-78849 at the National Vulnerability Database