CVE-2026-44961

Full vulnerability record from the local CVENow database.

Description

The XML‑RPC API addUser method has a validation bypass introduced in the fix for CVE‑2025‑55129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing.

Severity

NONE

CVSS score

0.0 (v3.0)

Vulnerability status

Deferred

Source identifier

[email protected]

Published

2026-06-23 17:17:00.340000

Last modified

2026-10-26 11:10:00.157000

View original CVE JSON

{
  "id": "CVE-2026-44961",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-23T17:17:00.340",
  "lastModified": "2026-10-26T11:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The XML‑RPC API addUser method has a validation bypass introduced in the fix for CVE‑2025‑55129. As a result, API users could create usernames that enabled impersonation or stored XSS attacks. Proper validation has been added where it was missing."
    },
    {
      "lang": "es",
      "value": "La API XML-RPC, método addUser, tiene una omisión de validación introducida en la corrección para CVE-2025-55129. Como resultado, los usuarios de la API podrían crear nombres de usuario que permitían la suplantación de identidad o ataques de XSS almacenado. Se ha añadido una validación adecuada donde faltaba."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Revive",
          "product": "Adserver",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "6.0.6",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N",
          "baseScore": 0.0,
          "baseSeverity": "NONE",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 0.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-06-23T17:32:45.247422Z",
          "id": "CVE-2026-44961",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://hackerone.com/reports/3680090",
      "source": "[email protected]"
    }
  ]
}