CVE-2026-78849
Medium
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
SeverityMedium
CVSS5.4
Exploit probability—
ProductpfSense Plus
PublishedSep 4, 2026
First seenSep 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Netgate pfSense Plus | v ≤ 26.03 | — |
| Netgate pfSense CE | v ≤ 2.8.1 | — |
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