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CVE-2019-25374

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CVE-2019-25374

Published: Feb 15, 2026

Modified: May 24, 2026

PUBLISHED

CVSS v3.1

6.1

MEDIUM

Description

OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by exploiting the passthrough_networks parameter in vpn_ipsec_settings.php. Attackers can craft POST requests with JavaScript payloads in the passthrough_networks parameter to execute arbitrary code in users' browsers.

VendorProductVersions

Opnsense

OPNsense

affected
19.1

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

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CVE-2019-25374 | MEDIUM (6.1) - Security Vulnerability | QwikSec