CVE-2023-0846EPSS p38.4%

CVE-2023-0846CVE-2023-0846

opennms / horizon

Description

Unauthenticated, stored cross-site scripting in the display of alarm reduction keys in multiple versions of OpenNMS Horizon and Meridian could allow an attacker access to confidential session information. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4. 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 6.7 ()
VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
EPSS0.49% probability of exploitation · percentile 38.4% · 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.