Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and plugins that use the writer or list fields or call Dom::sanitize(), Sane::sanitize(), Sane::Html::sanitize(), Sane::Svg::sanitize(), Sane::Xml::sanitize(), Sane::sanitizeFile(), or file sanitizeContents() with untrusted input allow malicious markup injected as children of an unknown HTML or XML tag to pass through Dom::sanitize() without being correctly sanitized, causing stored cross-site scripting. This issue is fixed in versions 4.9.4 and 5.4.4.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-79",
"CWE-87"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54002.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "4.9.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"introduced": "5.0.0"
},
{
"fixed": "5.4.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "0f0437b5128c910103cbc78fc34d94b2a3faef4c"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "7ad76cf9c7387462828e6ebfc8404e31b37829e9"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "9ec1873864441dbc06479ef7823da348ec7f2700"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "bb2562e16c754493a403b8df84c9883108871e4c"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "4.9.4",
"range": [
{
"fixed": "274dca6df93de6eda649f27f5367ddbc8e0f1fe1"
}
],
"source": "REFERENCES_TAG"
},
{
"original_tag": "5.4.4",
"range": [
{
"fixed": "3f96d3b9ccda22f0d2f901b96376b5d08556ad75"
}
],
"source": "REFERENCES_TAG"
}
]
}