GSD-2021-41165

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
CKEditor4 is an open source WYSIWYG HTML editor. In affected version a vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version < 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.
Aliases
Aliases
CVE-2021-41165
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{
  "GSD": {
    "alias": "CVE-2021-41165",
    "description": "CKEditor4 is an open source WYSIWYG HTML editor. In affected version a vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version \u003c 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.",
    "id": "GSD-2021-41165",
    "references": [
      "https://security.archlinux.org/CVE-2021-41165"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-41165"
      ],
      "details": "CKEditor4 is an open source WYSIWYG HTML editor. In affected version a vulnerability has been discovered in the core HTML processing module and may affect all plugins used by CKEditor 4. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at version \u003c 4.17.0. The problem has been recognized and patched. The fix will be available in version 4.17.0.",
      "id": "GSD-2021-41165",
      "modified": "2023-12-13T01:23:27.536098Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-41165",
        "STATE": "PUBLIC",
        "TITLE": "HTML comments vulnerability allowing to execute JavaScript code"
      },
      "affects": {
        "vendor": {
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            {
              "product": {
                "product_data": [
                  {
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                    "version": {
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          }
        ]
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          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L",
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                "value": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
              }
            ]
          }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417",
            "refsource": "MISC",
            "url": "https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417"
          },
          {
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        "discovery": "UNKNOWN"
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          "affected_versions": "All versions before 4.17.0",
          "cvss_v2": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "cwe_ids": [
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            "CWE-79",
            "CWE-937"
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          "date": "2022-10-05",
          "description": "CKEditor4 is an open source WYSIWYG HTML editor. The vulnerability allowed to inject malformed comments HTML bypassing content sanitization, which could result in executing JavaScript code. It affects all users using the CKEditor 4 at The problem has been recognized and patched.",
          "fixed_versions": [
            "4.17.0"
          ],
          "identifier": "CVE-2021-41165",
          "identifiers": [
            "CVE-2021-41165",
            "GHSA-7h26-63m7-qhf2"
          ],
          "not_impacted": "All versions starting from 4.17.0",
          "package_slug": "npm/ckeditor4",
          "pubdate": "2021-11-17",
          "solution": "Upgrade to version 4.17.0 or above.",
          "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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            "https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-417",
            "https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7h26-63m7-qhf2",
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          ],
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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": "2022-10-05T12:47Z",
      "publishedDate": "2021-11-17T20:15Z"
    }
  }
}


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  • 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.
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  • 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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