{
  "id": "CVE-2020-15159",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2020-08-28T22:15:10.657",
  "lastModified": "2020-09-03T14:20:46.927",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). This may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file.The affected components are ThemeFilesController.php and UploaderFilesController.php. This is fixed in version 4.3.7."
    },
    {
      "lang": "es",
      "value": "baserCMS versiones 4.3.6 y anteriores, esta afectado por una vulnerabilidad de tipo Cross Site Scripting (XSS) y Remote Code Execution (RCE). Esta puede ser ejecutada al iniciar sesi\u00f3n como administrador del sistema y cargando un archivo de script ejecutable tal y como un archivo PHP. Los componentes afectados son los archivos ThemeFilesController.php y UploaderFilesController.php. Esto es corregido en la versi\u00f3n 4.3.7"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.6,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 6.0
      },
      {
        "source": "security-advisories@github.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.6,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 6.0
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:H/Au:S/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "HIGH",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "security-advisories@github.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "4.3.6",
              "matchCriteriaId": "3D8C0605-796C-4AA8-ACD8-1444D95A121B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://basercms.net/security/20200827",
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66d",
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpw",
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}