LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP-sourced and syslog-sourced data without escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript through SNMP interface descriptions or syslog program fields that executes when authenticated users view affected pages.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 01 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP-sourced and syslog-sourced data without escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript through SNMP interface descriptions or syslog program fields that executes when authenticated users view affected pages. | |
| Title | LibreNMS before 26.3.1 Stored XSS via SNMP/Syslog Data | |
| First Time appeared |
Librenms
Librenms librenms |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Librenms
Librenms librenms |
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| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-01T11:33:56.451Z
Reserved: 2026-09-01T10:51:59.729Z
Link: CVE-2026-84192
No data.
Status : Received
Published: 2026-09-01T12:17:48.723
Modified: 2026-09-01T12:17:48.723
Link: CVE-2026-84192
No data.
OpenCVE Enrichment
Updated: 2026-09-01T12:30:04Z
Weaknesses