Home/CVE/Reflected cross-site scripting in graph results in multiple versions of OpenNMS Meridian and Horizon could allow an atta
CVE

CVE-2023-0868

Reflected cross-site scripting in graph results in multiple versions of OpenNMS Meridian and Horizon could allow an atta

Reflected cross-site scripting in graph results in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to steal session cookies. 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.

MEDIUM · CVSS 6.7 EPSS 0.00523
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Weakness Classification

CWE-20Improper Input Validation
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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Affected Products & Versions

2
opennms horizon< 31.0.4
opennms meridian< 2023.1.0
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.opennms:opennms-webapp MODERATE fixed in 31.0.4
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Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · security@opennms.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Feb 2023 · 03:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.opennms.com/meridian/2022/releasenotes/changelog.html#releasenotes-changelog-Meridian-2022.1.13Release Notes
https://github.com/OpenNMS/opennms/pull/5740PatchVendor Advisory
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