{"cve":"CVE-2023-0867","nvd":{"published":"2023-02-23T15:15:11.000","modified":"2026-06-17T05:26:31.060","status":"Modified","description":"Multiple stored and reflected cross-site scripting vulnerabilities in webapp jsp pages in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to confidential session information. Users\nshould upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4. Meridian and\nHorizon installation instructions state that they are intended for installation\nwithin an organization's private networks and should not be directly accessible\nfrom the Internet.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79","CWE-20"],"references":["https://docs.opennms.com/meridian/2022/releasenotes/changelog.html#releasenotes-changelog-Meridian-2022.1.13","https://github.com/OpenNMS/opennms/pull/5765","https://docs.opennms.com/meridian/2022/releasenotes/changelog.html#releasenotes-changelog-Meridian-2022.1.13","https://github.com/OpenNMS/opennms/pull/5765"],"products":["opennms:horizon","opennms:meridian"],"source":"nvd","synced_at":"2026-10-19T21:37:41.955480748+00:00"},"epss":{"cve":"CVE-2023-0867","score":0.00424,"percentile":0.36729,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mjv2-6jv4-vrg7","url":"https://osv.dev/vulnerability/GHSA-mjv2-6jv4-vrg7","summary":"OpenNMS Meridian and Horizon vulnerable to Cross-site Scripting","modified":"2023-11-08T04:11:12.693846Z","packages":[{"ecosystem":"Maven","name":"org.opennms:opennms","purl":"pkg:maven/org.opennms/opennms","ranges":["<31.0.4"],"fixed":["31.0.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}