FKIE_CVE-2021-37695

Vulnerability from fkie_nvd - Published: 2021-08-13 00:15 - Updated: 2026-06-17 04:01
Severity
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Fake Objects](https://ckeditor.com/cke4/addon/fakeobjects) package. The vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version < 4.16.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.
References
security-advisories@github.comhttps://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/ckeditor/ckeditor4/security/advisories/GHSA-m94c-37g6-cjhcThird Party Advisory
security-advisories@github.comhttps://lists.debian.org/debian-lts-announce/2021/11/msg00007.htmlMailing List, Third Party Advisory
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
security-advisories@github.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
security-advisories@github.comhttps://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
security-advisories@github.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ckeditor/ckeditor4/commit/de3c001540715f9c3801aaa38a1917de46cfcf58Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-m94c-37g6-cjhcThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/11/msg00007.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
ckeditor ckeditor *
debian debian_linux 9.0
fedoraproject fedora 33
fedoraproject fedora 34
fedoraproject fedora 35
oracle application_express *
oracle banking_party_management 2.7.0
oracle commerce_guided_search 11.3.2
oracle commerce_merchandising 11.3.2
oracle documaker 12.6.3
oracle documaker 12.6.4
oracle financial_services_analytical_applications_infrastructure *
oracle financial_services_analytical_applications_infrastructure 8.0.3
oracle financial_services_model_management_and_governance *
oracle jd_edwards_enterpriseone_tools *
oracle peoplesoft_enterprise_peopletools 8.57
oracle peoplesoft_enterprise_peopletools 8.58
oracle peoplesoft_enterprise_peopletools 8.59
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "ckeditor4",
          "vendor": "ckeditor",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.16.2"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6BEAA71B-F9E5-441E-AB08-E76DAF0A32F8",
              "versionEndExcluding": "4.16.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
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              "vulnerable": true
            }
          ],
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          "operator": "OR"
        }
      ]
    },
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              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
              "vulnerable": true
            },
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              "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Fake Objects](https://ckeditor.com/cke4/addon/fakeobjects) package. The vulnerability allowed to inject malformed Fake Objects HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version \u003c 4.16.2. The problem has been recognized and patched. The fix will be available in version 4.16.2."
    },
    {
      "lang": "es",
      "value": "ckeditor es un editor HTML WYSIWYG de c\u00f3digo abierto con soporte de contenido enriquecido.\u0026#xa0;Se ha detectado una vulnerabilidad potencial en el paquete CKEditor 4 [Fake Objects] (https://ckeditor.com/cke4/addon/fakeobjects).\u0026#xa0;La vulnerabilidad permiti\u00f3 inyectar Fake Objects HTML con formato malformado, lo que podr\u00eda resultar en una ejecuci\u00f3n de c\u00f3digo JavaScript.\u0026#xa0;Afecta a todos los usuarios que utilizan los plugins de CKEditor 4 enumerados anteriormente en las versiones anteriores a 4.16.2.\u0026#xa0;El problema ha sido reconocido y solucionado.\u0026#xa0;La correcci\u00f3n estar\u00e1 disponible en la versi\u00f3n 4.16.2."
    }
  ],
  "id": "CVE-2021-37695",
  "lastModified": "2026-06-17T04:01:00.160",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 5.2,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-08-13T00:15:07.397",
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  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-79"
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        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.