CVE-2023-0869EPSS p32.4%

CVE-2023-0869CVE-2023-0869

opennms / horizon

Description

Cross-site scripting in outage/list.htm in multiple versions of OpenNMS Meridian and Horizon allows an attacker access to confidential session information. The solution is to upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4 or newer. 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.

Scoring

CVSS 5.8 ()
VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
EPSS0.41% probability of exploitation · percentile 32.4% · 2026-06-18T12:00:27Z
Last modified2026-06-17
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.