CVE-2019-25376 Details
Description
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.
A reflected cross-site scripting vulnerability has been identified in OPNsense version 19.1. This vulnerability allows unauthenticated attackers to inject malicious scripts by sending crafted payloads through the ignoreLogACL parameter. The injected JavaScript can be executed in the browsers of users who interact with the compromised proxy endpoint.
Users are advised to update to OPNsense version 19.1.1, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 17, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://forum.opnsense.org/index.php?topic=11469.0 | [email protected] | Release Notes |
| https://opnsense.org | [email protected] | Product |
| https://www.exploit-db.com/exploits/46351 | [email protected] | ExploitThird Party Advisory |
| https://www.vulncheck.com/advisories/opnsense-reflected-xss-via-proxy-endpoint | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| opnsense opnsense | 19.1 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Feb 18, 2026 | Initial Analysis | [email protected] |
| Feb 15, 2026 | New CVE Received | [email protected] |