Description

OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted input to the mailserver parameter. Attackers can send POST requests to the monit interface with JavaScript payloads in the mailserver parameter to execute arbitrary code in users' browsers.

INFO

Published Date :

2026-02-15T13:58:56.731Z

Last Modified :

2026-02-15T13:58:56.731Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2019-25375 vulnerability.

Vendors Products
Opnsense
  • Opnsense
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2019-25375.

URL Resource
https://forum.opnsense.org/index.php?topic=11469.0 cve-icon cve-icon
https://opnsense.org cve-icon cve-icon
https://www.exploit-db.com/exploits/46351 cve-icon cve-icon
https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-monit-interface cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact