title: Cross-site scripting in outage/list.htm
description: Cross-site scripting in outage/list.htm in multiple versions of OpenNMS Meridian and Horizon allows an attacker access to confidential session information. The solution is to upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4 or newer.
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.
problem types: CWE-20 Improper Input Validation
affected:
{
defaultStatus: unknown
modules: webapp
platforms: [Windows, MacOS, Linux]
product: Meridian
repo: https://github.com/OpenNMS
vendor: The OpenNMS Group
versions:
lessThan: 2023.1.0, status: affected, version: 2022.1.0, versionType: git
}
{
defaultStatus: unknown
modules: webapp
platforms: [Windows, MacOS, Linux]
product: Horizon
repo: https://github.com/OpenNMS
vendor: The OpenNMS Group
versions:
lessThan: 31.0.4, status: affected, version: 29.0.0, versionType: git
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: ADJACENT_NETWORK
availabilityImpact: NONE
baseScore: 5.8
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Upgrade to Meridian 2023.1.0 or newer. Upgrade to Horizon 31.0.4 or newer.