# CVE-2026-78849

## Summary

- **CVE ID:** CVE-2026-78849
- **Severity:** MEDIUM
- **CVSS Score:** 5.4 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
- **CWE:** N/A
- **Published:** Sep 4, 2026
- **Last Modified:** Sep 14, 2026

## Description

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

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](https://redmine.pfsense.org/issues/16773)
- [CNA](https://docs.netgate.com/downloads/pfSense-SA-26_05.webgui.asc)
- [CISA-ADP](https://redmine.pfsense.org/attachments/6991)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.36%
- **EPSS Percentile:** 29.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._