Description
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting insufficient input validation in the host parameter. Attackers can submit crafted POST requests to the diag_ping.php endpoint with script payloads in the host parameter to execute arbitrary JavaScript in users' browsers.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Opnsense | OPNsense | 19.1 | — |
References
- ExploitDB-46351 exploit
- OPNsense Official Website product
- OPNsense 19.1.1 Release Announcement patch
- VulnCheck Advisory: OPNsense 19.1 Reflected XSS via diag_ping.php third-party-advisory