CVE-2019-25373

MEDIUM

OPNsense 19.1 - XSS

Title source: llm
STIX 2.1

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.

Exploits (1)

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

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 6.4
EPSS 0.0004
EPSS Percentile 10.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 (1)
opnsense/opnsense 19.1
Published Feb 15, 2026
Tracked Since Feb 18, 2026