CVE-2019-25376

MEDIUM

6.1

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.

CVE Details

CVSS v3.1 Score6.1

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published2/15/2026

Last Modified2/18/2026

Sourcenvd

Honeypot Sightings0

Affected Products

opnsense:opnsense

Weaknesses (CWE)

CWE-79

References

https://forum.opnsense.org/index.php?topic=11469.0(disclosure@vulncheck.com)

https://opnsense.org(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/46351(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-proxy-endpoint(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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