CVE-2021-25929

MEDIUM

Opennms Horizon < 27.1.1 - XSS

Title source: rule
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v3 4.8
EPSS 0.0049
EPSS Percentile 65.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (3)
opennms/horizon 1.0 - 27.1.1
opennms/meridian 2015.1.0 - 2019.1.19
org.opennms/opennms 1.0.0 - 27.1.1Maven
Published May 20, 2021
Tracked Since Feb 18, 2026