Cross-site scripting in outage/list.htm in multiple versions of OpenNMS Meridian and Horizon allows an attacker access to confidential session information.
// cvss v3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Checked 2026-10-04 at 01:15 UTC. The most recent advisory here was published 2023-02-23. Updated continuously from NVD, GHSA, OSV and CNA feeds.