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 >= 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 >= 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",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "security-advisories@github.com",
            ID: "CVE-2021-32809",
            STATE: "PUBLIC",
            TITLE: "Arbitrary HTML injection vulnerability in ckeditor",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "ckeditor4",
                              version: {
                                 version_data: [
                                    {
                                       version_value: ">= 4.5.2, < 4.16.2",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "ckeditor",
                  },
               ],
            },
         },
         data_format: "MITRE",
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         data_version: "4.0",
         description: {
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               {
                  lang: "eng",
                  value: "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.",
               },
            ],
         },
         impact: {
            cvss: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "NONE",
               baseScore: 4.6,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "LOW",
               integrityImpact: "LOW",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "REQUIRED",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
               version: "3.1",
            },
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "CWE-94: Improper Control of Generation of Code ('Code Injection')",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg",
                  refsource: "CONFIRM",
                  url: "https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg",
               },
               {
                  name: "FEDORA-2021-51457da891",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/",
               },
               {
                  name: "FEDORA-2021-72176a63a8",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/",
               },
               {
                  name: "FEDORA-2021-87578dca12",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/",
               },
               {
                  name: "https://www.oracle.com/security-alerts/cpuoct2021.html",
                  refsource: "MISC",
                  url: "https://www.oracle.com/security-alerts/cpuoct2021.html",
               },
               {
                  name: "https://www.oracle.com/security-alerts/cpujan2022.html",
                  refsource: "MISC",
                  url: "https://www.oracle.com/security-alerts/cpujan2022.html",
               },
            ],
         },
         source: {
            advisory: "GHSA-7889-rm5j-hpgg",
            discovery: "UNKNOWN",
         },
      },
      "gitlab.com": {
         advisories: [
            {
               affected_range: ">=4.5.2 <4.16.2",
               affected_versions: "All versions starting from 4.5.2 before 4.16.2",
               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: [
                  "CWE-1035",
                  "CWE-79",
                  "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 CKEdit The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor.",
               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/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",
            },
            {
               affected_range: ">=4.5.2 <4.16.2",
               affected_versions: "All versions starting from 4.5.2 before 4.16.2",
               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: [
                  "CWE-1035",
                  "CWE-79",
                  "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",
            },
         ],
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:node.js:*:*",
                        cpe_name: [],
                        versionEndExcluding: "4.16.2",
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                        vulnerable: true,
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                  operator: "OR",
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               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:*",
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                        cpe_name: [],
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                        cpe_name: [],
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                     {
                        cpe23Uri: "cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*",
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                        versionEndIncluding: "8.1.1",
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                     {
                        cpe23Uri: "cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*",
                        cpe_name: [],
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                     },
                     {
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               ID: "CVE-2021-32809",
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                     value: "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.",
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                     name: "https://www.oracle.com/security-alerts/cpuoct2021.html",
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                     url: "https://www.oracle.com/security-alerts/cpujan2022.html",
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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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Sightings

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Nomenclature

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  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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