DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside is returned. This issue is fixed in version 3.4.5.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-79"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47423.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "3.4.4"
},
{
"fixed": "3.4.5"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "3.4.5",
"range": [
{
"fixed": "011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea"
}
],
"source": "REFERENCES_TAG"
}
]
}