CVE-2026-19224 — Hummingbird < 3.21.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite

CVE-2026-19224

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

Description (CNA)

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 (CNA)

Vendor / product	Versions
Unknown / Hummingbird Performance	affected 3.15.0 before 3.21.2

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/443461c5-93c4-49b4-a5c2-057b7afa4ce6/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.