Unrated severityNVD Advisory· Published Feb 15, 2026· Updated Mar 5, 2026
OPNsense 19.1 Stored XSS via firewall_rules_edit.php
CVE-2019-25373
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- forum.opnsense.org/index.phpmitrepatch
- www.exploit-db.com/exploits/46351mitreexploit
- www.vulncheck.com/advisories/opnsense-stored-xss-via-firewallruleseditphpmitrethird-party-advisory
- opnsense.orgmitreproduct
News mentions
0No linked articles in our index yet.