CVE-2024-47526 Information

Description

LibreNMS is an open-source PHP/MySQL/SNMP-based network monitoring system. A Self Cross-Site Scripting (Self-XSS) vulnerability in the \Alert Templates\ feature allows users to inject arbitrary JavaScript into the alert template’s name. This script executes immediately upon submission but does not persist after a page refresh.

Reference

https://github.com/librenms/librenms/security/advisories/GHSA-gcgp-q2jq-fw52 https://github.com/librenms/librenms/commit/f259edc19b9f0ccca484c60b1ba70a0bfff97ef5 https://github.com/librenms/librenms/blob/0e741e365aa974a74aee6b43d1b4b759158a5c7e/includes/html/forms/alert-templates.inc.php#L40 https://github.com/librenms/librenms/blob/0e741e365aa974a74aee6b43d1b4b759158a5c7e/includes/html/modal/alert_template.inc.php#L205