CVE-2019-25370

MEDIUM

OPNsense 19.1 - Reflected Cross-Site Scripting via interfaces_vlan_edit.php Parameters

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25370. PoCs published by Ozer Goker.

AI-analyzed exploit summary This exploit demonstrates multiple reflected and stored XSS vulnerabilities in OPNsense 19.1. It provides specific URLs, methods, parameters, and payloads for each XSS vector.

Description

OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input through multiple parameters. Attackers can send POST requests to interfaces_vlan_edit.php with script payloads in the tag, descr, or vlanif parameters to execute arbitrary JavaScript in users' browsers.

Exploits (1)

exploitdb WORKING POC
by Ozer Goker · textwebappsphp
https://www.exploit-db.com/exploits/46351

This exploit demonstrates multiple reflected and stored XSS vulnerabilities in OPNsense 19.1. It provides specific URLs, methods, parameters, and payloads for each XSS vector.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: OPNsense 19.1
Auth required
Prerequisites: Access to the OPNsense web interface · Valid credentials for authenticated endpoints
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/46351
Various Sources product
https://opnsense.org

Scores

CVSS v3 6.1
EPSS 0.0023
EPSS Percentile 13.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
opnsense/opnsense 19.1
Opnsense/OPNsense 19.1
Published Feb 15, 2026
Tracked Since Feb 18, 2026