How severe is CVE-2021-25929?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 4.8 out of 10.

What type of vulnerability is CVE-2021-25929?

This is classified as CWE-79, which is a common weakness in software security.

CVE-2021-25929 - MEDIUM Severity | CVSS 4.8

Vulnerability 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.

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