CVE-2026-2728
MEDIUMLibrenms < 26.3.0 - XSS
Title source: ruleDescription
LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page.
Scores
CVSS v3
4.8
EPSS
0.0000
EPSS Percentile
0.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (2)
librenms/librenms
< 26.3.0 (2 CPE variants)
librenms/librenms
0 - 26.3.0Packagist
Published
Apr 13, 2026
Tracked Since
Apr 13, 2026