Medium
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-32809
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:47 UTC · Revision 1
Source evidence
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.
osv:CVE-2021-32809
Complete source record
{
"id": "7a91c130cd6ce656e17a33a84a90bae31d37b4d399e1ffb9af9caeffee6f4d27",
"url": "https://osv.dev/vulnerability/CVE-2021-32809",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-32809",
"summary": "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.",
"evidence": "osv:CVE-2021-32809",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-32809",
"aliases": [
"CVE-2021-32809",
"GHSA-7889-rm5j-hpgg"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/ckeditor/ckeditor4",
"type": "GIT",
"events": [
{
"introduced": "09b0ccacde0cd27b62eb8fa75ccfa960d272436f"
},
{
"fixed": "4e64f672190a14d3c38aebd94ae4fb10c79e4545"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.5.2"
},
{
"fixed": "4.16.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"4.16.1",
"4.15.1",
"4.14.1",
"4.13.1",
"4.12.1",
"4.7.2",
"4.11.4",
"4.11.3",
"4.11.2",
"4.11.1",
"4.10.1",
"4.9.2",
"4.9.1",
"4.7.3",
"4.7.1",
"4.6.2",
"4.6.1",
"4.5.11",
"4.5.10",
"4.5.9",
"4.5.8",
"4.5.7",
"4.5.6",
"4.5.5",
"4.5.4",
"4.5.3",
"4.5.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32809.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/ckeditor/ckeditor4-releases",
"type": "GIT",
"events": [
{
"introduced": "1b8c5f8ce1625487c8509c02332907a3635a361a"
},
{
"fixed": "0919c6a34271f9776c495e78deff75ffefe52b62"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "4.5.2"
},
{
"fixed": "4.16.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"standard/4.16.1",
"standard/4.16.0",
"standard/4.15.1",
"standard/4.15.0",
"standard/4.14.1",
"standard/4.14.0",
"standard/4.13.1",
"standard/4.13.0",
"standard/4.12.1",
"standard/4.12.0",
"standard/4.11.4",
"standard/4.11.3",
"standard/4.11.2",
"standard/4.11.1",
"standard/4.11.0",
"standard/4.10.1",
"standard/4.10.0",
"standard/4.9.2",
"standard/4.9.1",
"standard/4.9.0",
"standard/4.8.0",
"standard/4.7.3",
"standard/4.7.2",
"standard/4.7.1",
"standard/4.7.0",
"standard/4.6.2",
"standard/4.6.1",
"standard/4.6.0",
"standard/4.5.11",
"standard/4.5.10",
"standard/4.5.9",
"standard/4.5.8",
"standard/4.5.7",
"standard/4.5.6",
"standard/4.5.5",
"standard/4.5.4",
"standard/4.5.3",
"standard/4.5.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32809.json"
}
}
],
"modified": "2026-10-24T10:50:12.163422666Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/",
"https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg",
"https://www.oracle.com/security-alerts/cpujan2022.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:application_express",
"extracted_events": [
{
"range": [
{
"fixed": "21.1.4"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:financial_services_analytical_applications_infrastructure:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:financial_services_analytical_applications_infrastructure",
"extracted_events": [
{
"range": [
{
"introduced": "8.0.7"
},
{
"last_affected": "8.1.1"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:jd_edwards_enterpriseone_tools",
"extracted_events": [
{
"range": [
{
"fixed": "9.2.6.0"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "33"
},
{
"last_affected": "33"
},
{
"introduced": "34"
},
{
"last_affected": "34"
},
{
"introduced": "35"
},
{
"last_affected": "35"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_party_management:2.7.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_party_management",
"extracted_events": [
{
"range": [
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:commerce_guided_search:11.3.2:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:commerce_guided_search",
"extracted_events": [
{
"range": [
{
"introduced": "11.3.2"
},
{
"last_affected": "11.3.2"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:commerce_merchandising:11.3.2:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:commerce_merchandising",
"extracted_events": [
{
"range": [
{
"introduced": "11.3.2"
},
{
"last_affected": "11.3.2"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:documaker:12.6.3:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:documaker:12.6.4:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:documaker",
"extracted_events": [
{
"range": [
{
"introduced": "12.6.3"
},
{
"last_affected": "12.6.3"
},
{
"introduced": "12.6.4"
},
{
"last_affected": "12.6.4"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:peoplesoft_enterprise_peopletools",
"extracted_events": [
{
"range": [
{
"introduced": "8.57"
},
{
"last_affected": "8.57"
},
{
"introduced": "8.58"
},
{
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},
{
"introduced": "8.59"
},
{
"last_affected": "8.59"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-32809",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442047,
"published_at": "2021-08-12T17:15:08.167+00:00"
}