CVE-2026-84188
4.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Summary
LibreNMS versions <= 26.4.0 contain a stored cross-site scripting vulnerability in the graph_descr.<graphtype> configuration settings, which are echoed verbatim without HTML escaping in includes/html/pages/graphs.inc.php. An administrator can store a malicious HTML payload that executes in the browser of any authenticated user who views the affected graph type. The issue is fixed in version 26.7.0.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| librenms | librenms | 0 < 26.7.0 | affected |
| librenms | librenms | 26.7.0 | unaffected |
Weaknesses
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
Additional References
References
- https://github.com/librenms/librenms/security/advisories/GHSA-7cj5-v4pp-v632
- https://www.vulncheck.com/advisories/librenms-before-26.7.0-stored-xss-via-graph-descr-settings
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