gsd-2021-32809
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.
Aliases
Aliases
CVE-2021-32809


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-32809",
    "description": "ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version \u003e= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.",
    "id": "GSD-2021-32809",
    "references": [
      "https://ubuntu.com/security/CVE-2021-32809"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-32809"
      ],
      "details": "ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version \u003e= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2.",
      "id": "GSD-2021-32809",
      "modified": "2023-12-13T01:23:08.981638Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-32809",
        "STATE": "PUBLIC",
        "TITLE": "Arbitrary HTML injection vulnerability in ckeditor"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "ckeditor4",
                    "version": {
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                          "version_value": "\u003e= 4.5.2, \u003c 4.16.2"
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.6,
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          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
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                "value": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)"
              }
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        "discovery": "UNKNOWN"
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    },
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          "affected_versions": "All versions starting from 4.5.2 before 4.16.2",
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          "date": "2022-04-25",
          "description": "ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEdit The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor.",
          "fixed_versions": [
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          ],
          "identifier": "CVE-2021-32809",
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            "GHSA-7889-rm5j-hpgg"
          ],
          "not_impacted": "All versions before 4.5.2, all versions starting from 4.16.2",
          "package_slug": "npm/ckeditor",
          "pubdate": "2021-08-12",
          "solution": "Upgrade to version 4.16.2 or above.",
          "title": "Code Injection",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-32809"
          ],
          "uuid": "5aade8e1-56dc-4f53-a152-f2a8e871111d"
        },
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            "CWE-937"
          ],
          "date": "2022-04-25",
          "description": "ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 Clipboard. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at The problem has been recognized and patched.",
          "fixed_versions": [
            "4.16.2"
          ],
          "identifier": "CVE-2021-32809",
          "identifiers": [
            "CVE-2021-32809",
            "GHSA-7889-rm5j-hpgg"
          ],
          "not_impacted": "All versions before 4.5.2, all versions starting from 4.16.2",
          "package_slug": "npm/ckeditor4",
          "pubdate": "2021-08-12",
          "solution": "Upgrade to version 4.16.2 or above.",
          "title": "Code Injection",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-32809"
          ],
          "uuid": "4d5982e1-4d83-45e7-9e8e-3819eccf0043"
        }
      ]
    },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "LOW",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2022-04-25T19:58Z",
      "publishedDate": "2021-08-12T17:15Z"
    }
  }
}


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