Is CVE-2019-25376 actively exploited?

No active exploitation of CVE-2019-25376 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-25376 be exploited remotely?

Yes. CVE-2019-25376 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-25376?

CVE-2019-25376 has a CVSS score of 6.1 (MEDIUM) and an EPSS exploitation probability of 0.02%.

HOME VULNERABILITIESCVE-2019-25376

MEDIUM

CVE-2019-25376

CWE-79Published: February 15, 2026· Updated: Feb 18, 2026

6.1

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:4.5th

Official Description

OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted payloads through the ignoreLogACL parameter. Attackers can send POST requests to the proxy endpoint with JavaScript code in the ignoreLogACL parameter to execute arbitrary scripts in users' browsers.

NVD Source

Technical Analysis

CVE-2019-25376 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.