{"id":"CVE-2026-109352","title":"LibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in includes/html/pages/device/wireless.inc.php, which echoes wireless sensor sensor_descr values, populated from SNMP DisplayString fields during discovery, into…","summary":"LibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in includes/html/pages/device/wireless.inc.php, which echoes wireless sensor sensor_descr values, populated from SNMP DisplayString fields during discovery, into…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"librenms","product":"librenms","affected":["librenms < 26.9.0"],"published":"2026-10-12","updated":"2026-10-15","sourceUpdated":"2026-10-15T20:33:06.527","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109352","references":[{"url":"https://github.com/librenms/librenms/security/advisories/GHSA-ffjc-4fr5-47c6","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/librenms-before-26.9.0-stored-xss-via-wireless-sensor-description","label":"disclosure@vulncheck.com"},{"url":"https://github.com/librenms/librenms/security/advisories/GHSA-ffjc-4fr5-47c6","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.0024,"epssPercentile":0.15039,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T02:51:22.630612Z"},"ingestedAt":"2026-10-12T18:00:08.211Z","slug":"CVE-2026-109352","body":"## Overview\n\nLibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in includes/html/pages/device/wireless.inc.php, which echoes wireless sensor sensor_descr values, populated from SNMP DisplayString fields during discovery, into HTML without escaping. Attackers controlling a monitored device's SNMP agent can set values such as AI-AP-MIB::aiSSID to malicious JavaScript that executes when authenticated users view the device's Wireless tab, enabling session hijacking.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":222045,"id":"CVE-2026-109352","ts":1792043624538,"field":"exploit_available","old":"false","new":"true"}]}