CVE-2026-115251

Duplicator 1.5.17 - Multisite Subsite Admin+ Network-Wide PHP Code Execution via One-Click Upgrade

HIGH 7.2EPSS 0.3%

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
CVSS v3.1 CNA: 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.31% chance of exploitation in the next 30 days, 24th percentile
Published: 2026-10-25
Updated: 2026-10-26

Proof-of-concept exploits (1)

https://wpscan.com/vulnerability/c4512e96-6d96-474e-90c0-ad784eb1c145/snapshot

CVE references

https://wpscan.com/vulnerability/c4512e96-6d96-474e-90c0-ad784eb1c145REFERENCE

References

CVE Record
NVD entry