CVE-2026-48940

{
  "id": "CVE-2026-48940",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-25T16:16:36.410",
  "lastModified": "2026-10-25T22:10:00.150",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Joomla user with K2 \"create item\" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page."
    },
    {
      "lang": "es",
      "value": "Un usuario de Joomla con derechos de ’crear elemento’ de K2 (nivel de Autor por defecto) puede enviar un artículo cuyo campo POST ’embedVideo’ contiene una etiqueta ’[script_tag]’ en bruto; K2 lo almacena textualmente y lo renderiza sin escapar a cualquier visitante de la página del artículo."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "getk2.org",
          "product": "K2 extension for Joomla",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.0-2.26",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N",
          "baseScore": 3.4,
          "baseSeverity": "LOW",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-06-25T18:47:21.595982Z",
          "id": "CVE-2026-48940",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:joomlaworks:k2:*:*:*:*:*:joomla\\!:*:*",
              "versionEndIncluding": "2.26",
              "matchCriteriaId": "75F0068E-23F6-4BDC-97E2-AAD0D06F5D72"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.getk2.org/",
      "source": "[email protected]",
      "tags": [
        "Product"
      ]
    }
  ]
}