CVE-2023-0868

mediumpriority · track · 24EPSS 0.004 · 38 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.44% (38th) EPSS

CVSS 6.1 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Reflected cross-site scripting in graph results in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to steal session cookies. 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.

cvss

Technical severity, 0–10. One row per scoring source.

6.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.7mediumCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.16.7mediumCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Nsecondary · security@opennms.comexploitability 1.5 · impact 5.2

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-20USCWE-79US

affected products (5)

Products and version ranges known to be affected.

The OpenNMS Group Horizon≤ 29.0.0 ≤31.0.3enisa_euvdEU
The OpenNMS Group Meridian2022.1.0 → 2023.1.0enisa_euvdEU
opennms horizon< 31.0.4nvdUScpe:2.3:a:opennms:horizon:*:*:*:*:*:*:*:*
opennms meridian< 2023.1.0nvdUScpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:*
Maven org.opennms:opennms-webapp< 31.0.4osvUSpkg:maven/org.opennms/opennms-webapp

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-g57g-rvpg-2f2cOpenNMS Meridian and Horizon vulnerable to Cross-site Scripting2023-02-23ghsa · osvUS
Reflected cross-site scripting in graph results in multiple versions of OpenNMS Meridian and Horizon could allow an attacker access to steal session cookies.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2023-02-23modified 2026-06-17

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+53072 more

references (7)

External citations — patches, advisories, analysis.

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