By-passing Cross-Site Scripting Protection in HTML Sanitizer
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-47125
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 19:40 UTC · Revision 1
Source evidence
By-passing Cross-Site Scripting Protection in HTML Sanitizer
core-osv · Original sourcePublished 14 Nov 2023, 20:07 UTC
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.
osv:CVE-2023-47125
Complete source record
{
"id": "9fb8c69dc07ce3b7cfbd3524c8bde28d4793f76f50f9f7f28a5db2d45f8378ce",
"url": "https://osv.dev/vulnerability/CVE-2023-47125",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "By-passing Cross-Site Scripting Protection in HTML Sanitizer",
"summary": "TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
"evidence": "osv:CVE-2023-47125",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2023-47125",
"aliases": [
"BIT-typo3-2023-47125",
"CVE-2023-47125",
"GHSA-mm79-jhqm-9j54"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/typo3/html-sanitizer",
"type": "GIT",
"events": [
{
"introduced": "ca1c30b9b5c160024257f456606b1f3f17138ca6"
},
{
"fixed": "cead6b60be7122c9e6bdc40f702ca8b5980abca4"
},
{
"introduced": "b32bbd462406f28d1fca4bde8a8cd8b49a4bdd39"
},
{
"fixed": "b8f90717251d968c49dc77f8c1e5912e2fbe0dff"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:typo3:html_sanitizer:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0.0"
},
{
"fixed": "1.5.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:typo3:html_sanitizer:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.1.4"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "b8f90717251d968c49dc77f8c1e5912e2fbe0dff"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
},
{
"repo": "https://github.com/typo3/typo3",
"type": "GIT",
"events": [
{
"introduced": "d7b1df9f4cd2fd34976bab4d4a5151f58feb671c"
},
{
"fixed": "939ef26e7fcd18ec68af7743014446a45527e502"
},
{
"introduced": "36096733dea4bd6f6168209609fa879dc25c0138"
},
{
"fixed": "639f2dbbafa5e6835499e70e111c7f22bc6cb966"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "11.3.2"
},
{
"fixed": "11.5.33"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "12.0.0"
},
{
"fixed": "12.4.8"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v2.1.3",
"v1.5.2",
"v1.5.1",
"v2.1.2",
"v1.5.0",
"v2.1.1",
"v2.1.0",
"v2.0.16",
"v2.0.15",
"v2.0.14",
"v2.0.13",
"v2.0.12",
"v2.0.11",
"v2.0.10",
"v2.0.9",
"v2.0.8",
"v2.0.7",
"v2.0.6",
"v2.0.5",
"v2.0.4",
"v2.0.3",
"v2.0.2",
"v2.0.1",
"v2.0.0",
"v12.4.7",
"v12.4.6",
"v12.4.5",
"v12.4.4",
"v12.4.3",
"v12.4.2",
"v12.4.1",
"v12.4.0",
"v12.3.0",
"v12.2.0",
"v12.1.0",
"v12.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-47125.json"
}
}
],
"modified": "2026-10-28T02:30:22.805002748Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47125.json",
"https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-mm79-jhqm-9j54",
"https://nvd.nist.gov/vuln/detail/CVE-2023-47125",
"https://typo3.org/security/advisory/typo3-core-sa-2023-007",
"https://github.com/TYPO3/html-sanitizer/commit/b8f90717251d968c49dc77f8c1e5912e2fbe0dff"
],
"provider_metadata": {
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47125.json"
}
},
"related_cves": [
{
"value": "CVE-2023-47125",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 489265,
"published_at": "2023-11-14T20:07:56.433+00:00"
}