CVE-2019-25372

MEDIUM EPSS 15.1%
Published Feb 15, 20264mo ago · Modified Jun 17, 20261w ago
5.1 CVSS 4.0
Medium
Find Similar
Published Feb 15, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

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 payloads through POST requests to diag_traceroute.php to execute arbitrary JavaScript in the context of a user's browser session.

CVSS Details

Base Score
5.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X

Threat Intelligence

EPSS Exploit Probability
15.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
opnsenseopnsense19.1any

References 4

  • forum.opnsense.org https://forum.opnsense.org/index.php?topic=11469.0
    Release Notes
  • opnsense.org https://opnsense.org
    Product
  • exploit-db.com https://www.exploit-db.com/exploits/46351
    ExploitThird Party AdvisoryVDB Entry
  • vulncheck.com https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-diagtraceroutephp
    Broken Link

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.