---
id: CVE-2026-115251
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…
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'
cvssSource: adp
cwe:
  - CWE-269
product: Duplicator
affected:
  - Duplicator >= 1.5.17 < 5.0.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-26T10:06:24.820546Z'
published: '2026-10-25'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T10:13:36.247Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115251'
references:
  - url: 'https://wpscan.com/vulnerability/c4512e96-6d96-474e-90c0-ad784eb1c145/'
tags:
  - cve.org
epss: 0.00312
epssPercentile: 0.23917
ingestedAt: '2026-10-25T22:08:29.963Z'
---

## Overview

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.

## Affected

- `Duplicator >= 1.5.17 < 5.0.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.