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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

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

No history.

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')

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