OPNsense 19.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted input to the category parameter. Attackers can send POST requests to firewall_rules_edit.php with script payloads in the category field to execute arbitrary JavaScript in the browsers of other users accessing firewall rule pages.
Advisories

No advisories yet.

Fixes

Solution

OPNsense 19.1.1 released


Workaround

No workaround given by the vendor.

History

Sun, 15 Feb 2026 14:15:00 +0000

Type Values Removed Values Added
Description OPNsense 19.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted input to the category parameter. Attackers can send POST requests to firewall_rules_edit.php with script payloads in the category field to execute arbitrary JavaScript in the browsers of other users accessing firewall rule pages.
Title OPNsense 19.1 Stored XSS via firewall_rules_edit.php
First Time appeared Opnsense
Opnsense opnsense
Weaknesses CWE-79
CPEs cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*
Vendors & Products Opnsense
Opnsense opnsense
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-15T13:58:55.157Z

Reserved: 2026-02-15T13:20:39.114Z

Link: CVE-2019-25373

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-15T14:16:07.067

Modified: 2026-02-15T14:16:07.067

Link: CVE-2019-25373

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses