CVE-2026-78849

5.4 mediumEPSS 0.5%

Medium (5.4). EPSS 0.5% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-09-04
Modified: 2026-09-14
Record from: the NVD, synced 2026-10-19

References

https://docs.netgate.com/downloads/pfSense-SA-26_05.webgui.asc
https://redmine.pfsense.org/issues/16773
https://redmine.pfsense.org/attachments/6991

Check your stack JSON