{"id":"CVE-2026-109352","published":"2026-10-12T17:17:32.270","lastModified":"2026-10-15T20:33:06.527","description":"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 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.","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/librenms/librenms/security/advisories/GHSA-ffjc-4fr5-47c6","tags":[]},{"url":"https://www.vulncheck.com/advisories/librenms-before-26.9.0-stored-xss-via-wireless-sensor-description","tags":[]},{"url":"https://github.com/librenms/librenms/security/advisories/GHSA-ffjc-4fr5-47c6","tags":[]}],"exploitRefs":[{"url":"https://github.com/librenms/librenms/security/advisories/GHSA-ffjc-4fr5-47c6","tags":[]},{"url":"https://github.com/librenms/librenms/security/advisories/GHSA-ffjc-4fr5-47c6","tags":[]}],"hasPoc":true,"ai":null}