{
  "id": "CVE-2021-35210",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-06-23T11:15:08.170",
  "lastModified": "2021-06-29T19:14:56.493",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Contao 4.5.x through 4.9.x before 4.9.16, and 4.10.x through 4.11.x before 4.11.5, allows XSS. It is possible to inject code into the tl_log table that will be executed in the browser when the system log is called in the back end."
    },
    {
      "lang": "es",
      "value": "Contao versiones 4.5.x hasta 4.9.x anteriores a 4.9.16, y  versiones 4.10.x hasta 4.11.x anteriores a 4.11.5, permite un ataque de tipo XSS. Es posible inyectar c\u00f3digo en la tabla tl_log que ser\u00e1 ejecutada en el navegador cuando el registro del sistema es llamado en el back end"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.5.0",
              "versionEndExcluding": "4.9.16",
              "matchCriteriaId": "FB94BB9F-A64C-4ECD-8EBB-86BF97681CA3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.10.0",
              "versionEndExcluding": "4.11.5",
              "matchCriteriaId": "DB7BCDE1-3E94-4738-B3DF-B96A508A5585"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/contao/contao/security/advisories/GHSA-h58v-c6rf-g9f7",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}