CVE-2023-0869

MEDIUM

OpenNMS Horizon < 31.0.4 and Meridian < 2023.1.0 - Cross-Site Scripting in Outage List Page

Title source: llm

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.

References (2)

Core 2

Core References

Release Notes

https://docs.opennms.com/meridian/2023/releasenotes/changelog.html#releasenotes-changelog-Meridian-2023.1.0

Patch

https://github.com/OpenNMS/opennms/pull/5734

Scores

CVSS v3 5.8

EPSS 0.0041

EPSS Percentile 32.7%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Details

CWE

CWE-20 CWE-79

Status published

Products (3)

opennms/horizon < 31.0.4

opennms/meridian < 2023.1.0

org.opennms/opennms-web-api 0Maven

Published Feb 23, 2023

Tracked Since Feb 18, 2026