CVE-2025-53121

Description

Multiple stored XSS were found on different nodes with unsanitized parameters in OpenMNS Horizon 33.0.8 and versions earlier than 33.1.6 on multiple platforms that allow an attacker to store on database and then inject HTML and/or Javascript on the page. The solution is to upgrade to Horizon 33.1.6, 33.1.7 or Meridian 2024.2.6, 2024.2.7 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 Fábio Tomé for reporting this issue.

Reserved 2025-06-26 | Published 2025-06-26 | Updated 2025-06-26 | Assigner OpenNMS

GENERAL. Score based on the assumption that Horizon and Meridian are installed on internally protected networks and not exposed to the Internet, per installation instructions.

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unaffected

33.0.8 before 33.1.6, 33.1.7
affected

Any version before 33.0.8
unknown

Default status
unaffected

2024.1.4 before 2024.2.6, 2024.2.7
affected

2023.1.20 before 2024.2.6, 2024.2.7
affected

2023.0.0
unknown

2024.0.0
unknown

Credits

Fábio Tomé finder

References

github.com/OpenNMS/opennms

github.com/OpenNMS/opennms/pull/7708

cve.org (CVE-2025-53121)

nvd.nist.gov (CVE-2025-53121)

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