Duplicator 1.5.17 - Multisite Subsite Admin+ Network-Wide PHP Code Execution via One-Click Upgrade
The Duplicator WordPress plugin before 5.0.0 does not restrict its one-click upgrade routine to users allowed to install Duplicator WordPress plugin before 5.0.0, and additionally exposes the routine without authentication, allowing an administrator of a multisite child site who is not a network administrator to install and run arbitrary PHP in the network-wide shared Duplicator WordPress plugin before 5.0.0 directory.
- Products
- Duplicator
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-115251
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 08:37 UTC · Revision 1
Source evidence
Duplicator 1.5.17 - Multisite Subsite Admin+ Network-Wide PHP Code Execution via One-Click Upgrade
core-cve · Original sourcePublished 25 Oct 2026, 06:00 UTC
The Duplicator WordPress plugin before 5.0.0 does not restrict its one-click upgrade routine to users allowed to install Duplicator WordPress plugin before 5.0.0, and additionally exposes the routine without authentication, allowing an administrator of a multisite child site who is not a network administrator to install and run arbitrary PHP in the network-wide shared Duplicator WordPress plugin before 5.0.0 directory.
cve:CVE-2026-115251
Duplicator
Fixed versions: Not specified
Complete source record
{
"id": "2edfc06c38c404b3c817c78a4083ccc89ecac26116ed2433285c1bd5a4f672dc",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-115251",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Duplicator 1.5.17 - Multisite Subsite Admin+ Network-Wide PHP Code Execution via One-Click Upgrade",
"summary": "The Duplicator WordPress plugin before 5.0.0 does not restrict its one-click upgrade routine to users allowed to install Duplicator WordPress plugin before 5.0.0, and additionally exposes the routine without authentication, allowing an administrator of a multisite child site who is not a network administrator to install and run arbitrary PHP in the network-wide shared Duplicator WordPress plugin before 5.0.0 directory.",
"evidence": "cve:CVE-2026-115251",
"products": [
{
"name": {
"value": "Duplicator",
"evidence": "/containers/cna/affected/0/product"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2026-115251",
"aliases": [
"CVE-2026-115251"
],
"metrics": [],
"affected": [
{
"vendor": "Unknown",
"product": "Duplicator",
"versions": [
{
"status": "affected",
"version": "1.5.17",
"lessThan": "5.0.0",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"modified": "2026-10-25T06:00:22.211Z",
"provider": "cve",
"references": [
"https://wpscan.com/vulnerability/c4512e96-6d96-474e-90c0-ad784eb1c145/"
],
"provider_metadata": {
"cna": {
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan",
"dateUpdated": "2026-10-25T06:00:22.211Z"
}
}
},
"related_cves": [
{
"value": "CVE-2026-115251",
"evidence": "/cveMetadata/cveId"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-cve",
"document_id": 96115,
"published_at": "2026-10-25T06:00:22.211+00:00"
}