Medium severity4.8NVD Advisory· Published May 20, 2021· Updated Jun 17, 2026
CVE-2021-25929
CVE-2021-25929
Description
In OpenNMS Horizon, versions opennms-1-0-stable through opennms-27.1.0-1; OpenNMS Meridian, versions meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1; meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.6-1 are vulnerable to Stored Cross-Site Scripting since there is no validation on the input being sent to the name parameter in noticeWizard endpoint. Due to this flaw an authenticated attacker could inject arbitrary script and trick other admin users into downloading malicious files.
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:opennmsMaven | >= 1.0.0, < 27.1.1 | 27.1.1 |
Affected products
4- OpenNMS/OpenNMS Horizondescription
Patches
Vulnerability mechanics
References
5- github.com/OpenNMS/opennms/commit/66c1f626bf38a7d1a9530b4d68598269ee5245a2nvdPatchThird Party AdvisoryWEB
- github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98cnvdPatchThird Party AdvisoryWEB
- www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25929nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-jmv4-73v2-pvgcghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-25929ghsaADVISORY
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