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CVE-2017-18456

Status: ModifiedMedium (6.1)—

cPanel before 62.0.17 allows self XSS in the WHM cPAddons showsecurity interface (SEC-217).

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Cpanel — Cpanel

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-18456",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-08-02T17:15:13.827",
  "references": [
    {
      "url": "https://documentation.cpanel.net/display/CL/62+Change+Log",
      "tags": [
        "Product",
        "Release Notes"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://news.cpanel.com/cpanel-tsr-2017-0002-full-disclosure/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "nvd@nist.gov"
    },
    {
      "url": "https://documentation.cpanel.net/display/CL/62+Change+Log",
      "tags": [
        "Product",
        "Release Notes"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "cPanel before 62.0.17 allows self XSS in the WHM cPAddons showsecurity interface (SEC-217)."
    },
    {
      "lang": "es",
      "value": "cPanel anterior a versión 62.0.17, permite un ataque de tipo XSS propio en la interfaz cPAddons showsecurity de WHM (SEC-217)."
    }
  ],
  "lastModified": "2026-06-17T01:12:53.067",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "47E22D10-EA36-41E7-9E6E-4225F1EAFBCA",
              "versionEndExcluding": "56.0.46",
              "versionStartIncluding": "55.9999.61"
            },
            {
              "criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "318EEDB6-58C6-491A-B15E-5049D1B205D4",
              "versionEndExcluding": "58.0.45",
              "versionStartIncluding": "57.9999.48"
            },
            {
              "criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F022EBEE-AA7C-49E7-8A8C-949533E383F6",
              "versionEndExcluding": "60.0.39",
              "versionStartIncluding": "59.9999.58"
            },
            {
              "criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2270415F-4273-4951-8B94-02FB24BD73B5",
              "versionEndExcluding": "62.0.17",
              "versionStartIncluding": "61.9999.55"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}