CVE-2019-25373

MEDIUM

6.4

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.

CVE Details

CVSS v3.1 Score6.4

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

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-stored-xss-via-firewallruleseditphp(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.