OPNsense 19.1 contains a stored cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject persistent malicious scripts via the tunable parameter. Attackers can submit POST requests with script payloads that are stored and executed in the context of authenticated user sessions when the page is viewed.
Metrics
Affected Vendors & Products
References
History
Sun, 15 Feb 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | OPNsense 19.1 contains a stored cross-site scripting vulnerability in the system_advanced_sysctl.php endpoint that allows attackers to inject persistent malicious scripts via the tunable parameter. Attackers can submit POST requests with script payloads that are stored and executed in the context of authenticated user sessions when the page is viewed. | |
| Title | OPNsense 19.1 Stored XSS via system_advanced_sysctl.php | |
| First Time appeared |
Opnsense
Opnsense opnsense |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Opnsense
Opnsense opnsense |
|
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-02-15T13:58:52.074Z
Updated: 2026-02-15T13:58:52.074Z
Reserved: 2026-02-15T13:19:47.575Z
Link: CVE-2019-25369
No data.
Status : Received
Published: 2026-02-15T14:16:06.370
Modified: 2026-02-15T14:16:06.370
Link: CVE-2019-25369
No data.
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