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CVE-2018-9861

Status: ModifiedMedium (6.1)—

Cross-site scripting (XSS) vulnerability in the Enhanced Image (aka image2) plugin for CKEditor (in versions 4.5.10 through 4.9.1; fixed in 4.9.2), as used in Drupal 8 before 8.4.7 and 8.5.x before 8.5.2 and other products, allows remote attackers to inject arbitrary web script through a crafted IMG element.

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 (2)

Ckeditor — Enhanced ImageDrupal — Drupal

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-9861",
  "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": [
    {
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2018-04-19T17:29:00.257",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/103924",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/ckeditor/ckeditor-dev/blob/master/CHANGES.md",
      "tags": [
        "Release Notes"
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      "source": "cve@mitre.org"
    },
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      "tags": [
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      "source": "cve@mitre.org"
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      "url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/103924",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/ckeditor/ckeditor-dev/blob/master/CHANGES.md",
      "tags": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-site scripting (XSS) vulnerability in the Enhanced Image (aka image2) plugin for CKEditor (in versions 4.5.10 through 4.9.1; fixed in 4.9.2), as used in Drupal 8 before 8.4.7 and 8.5.x before 8.5.2 and other products, allows remote attackers to inject arbitrary web script through a crafted IMG element."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad Cross-Site Scripting (XSS) en el plugin Enhanced Image (también conocido como image2) para CKEditor (de la versión 4.5.10 a la 4.9.1; solucionado en la versión 4.9.2), tal y como se emplea en Drupal 8 en versiones anteriores a la 8.4.7 y versiones 8.5.x anteriores a la 8.5.2 y en otros productos, permite que atacantes remotos inyecten scripts web arbitrarios mediante un elemento IMG manipulado."
    }
  ],
  "lastModified": "2026-06-17T02:07:18.500",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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              "matchCriteriaId": "2D19D4CA-C119-4BD8-8F80-CF6898540816",
              "versionEndExcluding": "4.9.2",
              "versionStartIncluding": "4.5.10"
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          ],
          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}