Medium
Security advisory
TinyMCE before 4.9.7 and 5.x before 5.1.4 allows XSS in the core parser, the paste plugin, and the visualchars plugin by using the clipboard or APIs to insert content into the editor.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-17480
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:54 UTC · Revision 1
Source evidence
TinyMCE before 4.9.7 and 5.x before 5.1.4 allows XSS in the core parser, the paste plugin, and the visualchars plugin by using the clipboard or APIs to insert content into the editor.
osv:CVE-2020-17480
Complete source record
{
"id": "e2636323eeb95b1a882c71cd46a05839c3232e74af68938d79d4175c42ea620c",
"url": "https://osv.dev/vulnerability/CVE-2020-17480",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-17480",
"summary": "TinyMCE before 4.9.7 and 5.x before 5.1.4 allows XSS in the core parser, the paste plugin, and the visualchars plugin by using the clipboard or APIs to insert content into the editor.",
"evidence": "osv:CVE-2020-17480",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-17480",
"aliases": [
"CVE-2020-17480",
"GHSA-27gm-ghr9-4v95"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/tinymce/tinymce",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "615f7e7a2b4beb7445fe9dc416b9ccaec646c2f0"
},
{
"introduced": "945bf35afd18fe97415652ae026b538ea7ffa8b8"
},
{
"fixed": "cd7b9a213076a7c2cd1721d82e59ee974d536920"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.9.7"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.0.0"
},
{
"fixed": "5.1.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-17480.json"
}
}
],
"modified": "2026-10-20T10:52:01.724881999Z",
"provider": "osv",
"references": [
"https://www.tiny.cloud/docs/release-notes/release-notes514/#securityfixes",
"https://github.com/tinymce/tinymce/security/advisories/GHSA-27gm-ghr9-4v95"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-17480",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 383212,
"published_at": "2020-08-10T20:15:11.737+00:00"
}