Description
Unauthenticated, stored cross-site scripting in the display of alarm reduction keys in multiple versions of OpenNMS Horizon and Meridian could allow an attacker access to confidential session information. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4. Meridian and Horizon installation instructions state that they are intended for installation within an organization's private networks and should not be directly accessible from the Internet.
Remediation
References
https://docs.opennms.com/meridian/2022/releasenotes/changelog.html#releasenotes-changelog-Meridian-2022.1.13
https://github.com/OpenNMS/opennms/pull/5506/files
Related Vulnerabilities
CVE-2020-11112 Vulnerability in maven package com.fasterxml.jackson.core:jackson-databind
CVE-2021-25916 Vulnerability in npm package patchmerge
CVE-2020-7610 Vulnerability in npm package bson
CVE-2020-28461 Vulnerability in npm package js-ini
CVE-2020-7707 Vulnerability in maven package org.webjars.npm:property-expr