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CVE-2026-19224

Hummingbird < 3.21.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite

The Hummingbird Performance WordPress plugin before 3.21.2 does not restrict a network-wide setting to network administrators, allowing an administrator of any single site on a multisite network to execute arbitrary code across the entire network.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Hummingbird