CVE-2019-25376

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2019-25376
OPNsense 19.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by submitting crafted payloads through the ignoreLogACL parameter. Attackers can send POST requests to the proxy endpoint with JavaScript code in the ignoreLogACL parameter to execute arbitrary scripts in users' browsers.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://forum.opnsense.org/index.php?topic=11469.0 Release Notes
https://opnsense.org Product
https://www.exploit-db.com/exploits/46351 Exploit Third Party Advisory
https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-proxy-endpoint Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:opnsense:opnsense:19.1:*:*:*:*:*:*:*
History

18 Feb 2026, 19:10

Type Values Removed Values Added
First Time Opnsense opnsense
Opnsense
References () https://forum.opnsense.org/index.php?topic=11469.0 - () https://forum.opnsense.org/index.php?topic=11469.0 - Release Notes
References () https://opnsense.org - () https://opnsense.org - Product
References () https://www.exploit-db.com/exploits/46351 - () https://www.exploit-db.com/exploits/46351 - Exploit, Third Party Advisory
References () https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-proxy-endpoint - () https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-proxy-endpoint - Third Party Advisory
CPE cpe:2.3:a:opnsense:opnsense:19.1:*:*:*:*:*:*:*

18 Feb 2026, 17:52

Type Values Removed Values Added
Summary
  • (es) OPNsense 19.1 contiene una vulnerabilidad de cross-site scripting reflejado que permite a atacantes no autenticados inyectar scripts maliciosos mediante el envío de cargas útiles manipuladas a través del parámetro ignoreLogACL. Los atacantes pueden enviar solicitudes POST al endpoint del proxy con código JavaScript en el parámetro ignoreLogACL para ejecutar scripts arbitrarios en los navegadores de los usuarios.

15 Feb 2026, 14:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-15 14:16

Updated : 2026-02-18 19:10

NVD link : CVE-2019-25376

Mitre link : CVE-2019-25376

CVE.ORG link : CVE-2019-25376

JSON object : View

Products Affected

opnsense

  • opnsense
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')