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OpenAdvisories
High · 7.2 CVE-2026-19224 EUVD-2026-70902GHSA-v4wx-7r7q-x8q9

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

Published Sep 4, 2026 · Updated Sep 4, 2026 · Assigned by WPScan

Description

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.

Affected products

VendorProductAffectedFixed
— Hummingbird Performance 3.15.0 – < 3.21.2 3.21.2

References