Vulnerability Intelligence Report
Duplicator 1.5.17 - Multisite Subsite Admin+ Network-Wide PHP Code Execution via One-Click Upgrade
CVE-2026-115251
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.
No Active Exploit Signals
CVSS Base Score
7.2
HIGH
Exploitability:1.3
Impact Score:5.9
EPSS Probability:0.17%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-269 ↗CWE-269 Improper Privilege Management
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Unknown | Duplicator | 1.5.17 < 5.0.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.172%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | WPScan · Vendor · France |
| Reserved | 2026-10-22T08:34:17 |
| Published | 2026-10-25T06:00:22 |
| Last Updated | 2026-10-26T10:13:36 |
Community Chatter & Buzz