CVE-2026-115251

High

Description

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.

SeverityHigh
CVSS7.2
Exploit probability—
ProductDuplicator
PublishedOct 25, 2026
First seenOct 25, 2026

How to fix

Update
  • Duplicator5.0.0 or later

Affected products

ProductAffected versionsFixed in
Duplicator1.5.17 ≤ v < 5.0.05.0.0

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CVE-2026-115251 · Duplicator · Dark Radar