Vulnerability-Lookup

GHSA-28P4-5J5M-924H

Vulnerability from github – Published: 2026-04-17 18:31 – Updated: 2026-04-17 18:31

Details

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.

Severity ?

8.9 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H

7.1 (High)


                  
                    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

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  "affected": [],
  "aliases": [
    "CVE-2025-40899"
  ],
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    "cwe_ids": [
      "CWE-79"
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-15T09:16:30Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-28p4-5j5m-924h",
  "modified": "2026-04-17T18:31:50Z",
  "published": "2026-04-17T18:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40899"
    },
    {
      "type": "WEB",
      "url": "https://security.nozominetworks.com/NN-2026:2-01"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-40899 (GCVE-0-2025-40899)

Vulnerability from cvelistv5 – Published: 2026-04-15 08:18 – Updated: 2026-04-15 13:20

Title

Stored Cross-Site Scripting (XSS) in Assets and Nodes in Guardian/CMC before 26.0.0

Summary

Severity ?

7.1 (High)


                        
                          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

8.9 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H

CWE

CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')

Assigner

Nozomi

References

URL

Tags

https://security.nozominetworks.com/NN-2026:2-01

Impacted products

Vendor

Product

Version

Nozomi Networks

Guardian

Affected: 0 , < 26.0.0 (semver)

Nozomi Networks

CMC

Affected: 0 , < 26.0.0 (semver)

Date Public ?

2026-04-15 07:00

Credits

This issue was found by Andrea Palanca of Nozomi Networks Product Security team during an internal investigation.

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JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-28P4-5J5M-924H

CVE-2025-40899 (GCVE-0-2025-40899)

Tags

Sightings

Nomenclature