Moderate severityNVD Advisory· Published Feb 23, 2023· Updated Aug 2, 2024

Stealing Cookies using Reflected XSS via graph results

CVE-2023-0868

Description

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.

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-webappMaven	< 31.0.4	31.0.4

Affected products

ghsa-coords
pkg:maven/org.opennms/opennms-webapp
Range: < 31.0.4
The OpenNMS Group/Horizonv5
Range: 29.0.0
The OpenNMS Group/Meridianv5
Range: 2022.1.0

Patches

Vulnerability mechanics

Generated on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.

References

github.com/advisories/GHSA-g57g-rvpg-2f2cghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2023-0868ghsaADVISORY
docs.opennms.com/meridian/2022/releasenotes/changelog.htmlghsaWEB
github.com/OpenNMS/opennms/commit/a47e193f820c222b309763b508009e54b2f0e7f5ghsaWEB
github.com/OpenNMS/opennms/pull/5740ghsaWEB

News mentions

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cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000