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
{
"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"
}
},
"namespaces": {
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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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{
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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 \u003e= 4.5.2. The problem has been recognized and patched. The fix will be available in version 4.16.2."
}
]
},
"impact": {
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"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"
}
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"description": [
{
"lang": "eng",
"value": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)"
}
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"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/"
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{
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},
"source": {
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"discovery": "UNKNOWN"
}
},
"gitlab.com": {
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{
"affected_range": "\u003e=4.5.2 \u003c4.16.2",
"affected_versions": "All versions starting from 4.5.2 before 4.16.2",
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"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"
],
"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"
},
{
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"affected_versions": "All versions starting from 4.5.2 before 4.16.2",
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"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": {
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"nodes": [
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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": {
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"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
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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