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CVE-2020-25768

Estado: ModificadaMedia (5.3)—

Contao before 4.4.52, 4.9.x before 4.9.6, and 4.10.x before 4.10.1 have Improper Input Validation. It is possible to inject insert tags in front end forms which will be replaced when the page is rendered.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Contao — Contao

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-25768",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-10-07T21:15:14.963",
  "references": [
    {
      "url": "https://community.contao.org/en/forumdisplay.php?4-Announcements",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://contao.org/en/security-advisories/insert-tag-injection-in-forms.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://community.contao.org/en/forumdisplay.php?4-Announcements",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://contao.org/en/security-advisories/insert-tag-injection-in-forms.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Contao before 4.4.52, 4.9.x before 4.9.6, and 4.10.x before 4.10.1 have Improper Input Validation. It is possible to inject insert tags in front end forms which will be replaced when the page is rendered."
    },
    {
      "lang": "es",
      "value": "Contao versiones anteriores a 4.4.52, versiones 4.9.x anteriores a 4.9.6 y versiones 4.10.x anteriores a 4.10,1 presentan una Comprobación de Entrada Inapropiada. Es posible inyectar etiquetas de inserción en formularios del front end que serán reemplazados cuando la página es renderizada"
    }
  ],
  "lastModified": "2026-06-17T03:07:16.357",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "23F9422B-6442-449E-AD0E-9C62C5FE2ED9",
              "versionEndExcluding": "4.4.52",
              "versionStartIncluding": "4.0"
            },
            {
              "criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9A1287C9-07C4-441C-ADD3-69C756679EF9",
              "versionEndExcluding": "4.9.6",
              "versionStartIncluding": "4.9.0"
            },
            {
              "criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "53A6E128-ED2F-42A1-AE01-39C3F83F5190",
              "versionEndExcluding": "4.10.1",
              "versionStartIncluding": "4.10.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}