A Stored Cross-Site Scripting vulnerability was discovered in the Assets and Nodes functionality due to improper validation of an input parameter. An authenticated user with custom fields privileges can define a malicious custom field containing a JavaScript payload. When the victim views the Assets or Nodes pages, the XSS executes in their browser context, allowing the attacker to perform unauthorized actions as the victim, such as modify application data, disrupt application availability, and access limited sensitive information.

Project Subscriptions

Vendors Products
Nozomi Networks Subscribe
Advisories

No advisories yet.

Fixes

Solution

Upgrade to v26.0.0 or later.


Workaround

Use internal firewall features to limit access to the web management interface.

History

Wed, 15 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 15 Apr 2026 09:00:00 +0000

Type Values Removed Values Added
Description A Stored Cross-Site Scripting vulnerability was discovered in the Assets and Nodes functionality due to improper validation of an input parameter. An authenticated user with custom fields privileges can define a malicious custom field containing a JavaScript payload. When the victim views the Assets or Nodes pages, the XSS executes in their browser context, allowing the attacker to perform unauthorized actions as the victim, such as modify application data, disrupt application availability, and access limited sensitive information.
Title Stored Cross-Site Scripting (XSS) in Assets and Nodes in Guardian/CMC before 26.0.0
First Time appeared Nozomi Networks
Nozomi Networks cmc
Nozomi Networks guardian
Weaknesses CWE-79
CPEs cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:*
cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:*
Vendors & Products Nozomi Networks
Nozomi Networks cmc
Nozomi Networks guardian
References
Metrics cvssV3_1

{'score': 8.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Nozomi

Published:

Updated: 2026-04-15T13:20:23.839Z

Reserved: 2025-04-16T09:04:35.923Z

Link: CVE-2025-40899

cve-icon Vulnrichment

Updated: 2026-04-15T13:20:18.993Z

cve-icon NVD

Status : Received

Published: 2026-04-15T09:16:30.837

Modified: 2026-04-15T09:16:30.837

Link: CVE-2025-40899

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-15T13:49:14Z

Weaknesses