Security advisory
TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When settings for _backend layouts_ are not properly encoded, the corresponding grid view is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this vulnerability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-32669
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:37 UTC · Revision 1
Source evidence
TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When settings for _backend layouts_ are not properly encoded, the corresponding grid view is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this vulnerability.
osv:CVE-2021-32669
Complete source record
{
"id": "008872bf226e581a0847a0c3fc0b2a3c7caefbdaaef6219c9aa6a525b5573373",
"url": "https://osv.dev/vulnerability/CVE-2021-32669",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-32669",
"summary": "TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When settings for _backend layouts_ are not properly encoded, the corresponding grid view is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this vulnerability.",
"evidence": "osv:CVE-2021-32669",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-32669",
"aliases": [
"BIT-typo3-2021-32669",
"CVE-2021-32669",
"GHSA-rgcg-28xm-8mmw"
],
"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": [
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"repo": "https://github.com/TYPO3/typo3",
"type": "GIT",
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{
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"versions": [
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"v11.3.0",
"v10.4.17",
"v9.5.27",
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"v11.2.0",
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"v9.5.12",
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"v9.5.10",
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"v9.5.7",
"v9.5.6",
"v9.5.5",
"v9.5.4",
"v9.5.3",
"v9.5.2",
"v9.5.1",
"v9.5.0",
"v9.4.0",
"v9.3.0",
"v9.2.0",
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"database_specific": {
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},
{
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{
"cpe": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "9.0.0"
},
{
"last_affected": "9.5.28"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
"range": [
{
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{
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],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
"range": [
{
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},
{
"last_affected": "11.3.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"v11.3.0",
"v10.4.17",
"v9.5.27",
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"v11.2.0",
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"v9.5.25",
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"v10.4.5",
"v10.4.4",
"v9.5.19",
"v10.4.3",
"v9.5.18",
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"v10.4.2",
"v10.4.1",
"v9.5.16",
"v10.4.0",
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"v10.3.0",
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"v9.5.13",
"v9.5.12",
"v10.2.0",
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"v9.5.6",
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"v9.5.4",
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"v9.5.2",
"v9.5.1",
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"v9.2.0",
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],
"database_specific": {
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],
"modified": "2026-10-24T10:47:44.827885570Z",
"provider": "osv",
"references": [
"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw",
"https://typo3.org/security/advisory/typo3-core-sa-2021-011"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*"
],
"vendor_product": "typo3:typo3",
"extracted_events": [
{
"range": [
{
"introduced": "8.0.0"
},
{
"last_affected": "8.7.40"
},
{
"introduced": "8.0.0"
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{
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{
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{
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{
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{
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{
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{
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{
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{
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}
],
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]
}
},
"related_cves": [
{
"value": "CVE-2021-32669",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 441519,
"published_at": "2021-07-20T16:15:07.793+00:00"
}