Medium severity5.8NVD Advisory· Published Feb 23, 2023· Updated Jun 17, 2026
CVE-2023-0869
CVE-2023-0869
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.opennms:opennms-web-apiMaven | <= 31.0.3 | — |
Affected products
5- The OpenNMS Group/Horizonv5Range: 29.0.0
- The OpenNMS Group/Meridianv5Range: 2022.1.0
Patches
Vulnerability mechanics
References
4- github.com/OpenNMS/opennms/pull/5734nvdPatchWEB
- github.com/advisories/GHSA-7v39-jjj6-j4j4ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2023-0869ghsaADVISORY
- docs.opennms.com/meridian/2023/releasenotes/changelog.htmlnvdRelease NotesWEB
News mentions
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