CVE-2019-25373

6.4 MEDIUM
Published: February 15, 2026 Modified: February 18, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://forum.opnsense.org/index.php?topic=11469.0
Source: disclosure@vulncheck.com
Release Notes
https://opnsense.org
Source: disclosure@vulncheck.com
Product
https://www.exploit-db.com/exploits/46351
Source: disclosure@vulncheck.com
Exploit Third Party Advisory VDB Entry

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.4 / 10.0
EPSS (Exploit Probability)
0.0%
9th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

opnsense