What’s Vulnerable › Vulnerabilities

CVE-2021-25932

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-01 · updated 2026-06-17
• Weakness: CWE-79

Description

In OpenNMS Horizon, versions opennms-1-0-stable through opennms-27.1.0-1; OpenNMS Meridian, versions meridian-foundation-2015.1.0-1 through meridian-foundation-2019.1.18-1; meridian-foundation-2020.1.0-1 through meridian-foundation-2020.1.6-1 are vulnerable to Stored Cross-Site Scripting, since the function `validateFormInput()` performs improper validation checks on the input sent to the `userID` parameter. Due to this flaw an attacker could inject an arbitrary script which will be stored in the database.

Affected products

• The OpenNMS Group Meridian: from 2015.1.0-1 through 2019.1.18-1; from 2020.1.0-1 through 2020.1.6-1
• OpenNMS: from 1.0 through 27.1.0-1

References

• https://github.com/OpenNMS/opennms/commit/8a97e6869d6e49da18b208c837438ace80049c01
• https://github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98c
• https://github.com/OpenNMS/opennms/commit/f3ebfa3da5352b4d57f238b54c6db315ad99f10e
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25932
• https://github.com/OpenNMS/opennms/commit/8a97e6869d6e49da18b208c837438ace80049c01
• https://github.com/OpenNMS/opennms/commit/eb08b5ed4c5548f3e941a1f0d0363ae4439fa98c
• https://github.com/OpenNMS/opennms/commit/f3ebfa3da5352b4d57f238b54c6db315ad99f10e
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25932

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