WordPress Plugin Vulnerabilities
Duplicator 1.5.17 - Multisite Subsite Admin+ Network-Wide PHP Code Execution via One-Click Upgrade
Description
The plugin does not restrict its one-click upgrade routine to users allowed to install plugins, 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 plugin directory.
Proof of Concept
Affects Plugins
Fixed in 5.0.0 References
CVE
Classification
Type
PRIVESC
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Charles Vosburgh
Submitter
Charles Vosburgh
Submitter website
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-23 (about 2 days ago)
Added
2026-10-23 (about 1 day ago)
Last Updated
2026-10-23 (about 1 day ago)
