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Fencer Vulns
medium 5.8

CVE-2023-40314 json

Cross-site scripting in bootstrap.jsp

published 2023-11-16 2 y ago modified 2026-06-17 4 mo ago also GHSA-c6xw-hg9q-3c9f , EUVD-2023-2949

cvss
5.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

Cross-site scripting in bootstrap.jsp in multiple versions of OpenNMS Meridian and Horizon allows an attacker access to confidential session information. The solution is to upgrade to Horizon 32.0.5 or newer and Meridian 2023.1.9 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.

OpenNMS thanks

Moshe Apelbaum

for reporting this issue.

Patch / fix

  • maven org.opennms:opennms-webapp 32.0.5
  • opennms horizon 32.0.5
  • opennms meridian 2023.1.9

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.8 CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 5.8 CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven org.opennms:opennms-webapp
<32.0.5
32.0.5

Affected products

  • The OpenNMS Group Horizon
  • The OpenNMS Group Meridian

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.