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.

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Fixes

Solution

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Workaround

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History

Wed, 11 Nov 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions hummingbird
Vendors & Products Wordpress-extensions
Wordpress-extensions hummingbird

Fri, 04 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285

Fri, 04 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 04 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285

Fri, 04 Sep 2026 06:30:00 +0000

Type Values Removed Values Added
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.
Title Hummingbird < 3.21.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-04T12:55:11.066Z

Reserved: 2026-08-07T09:04:33.546Z

Link: CVE-2026-19224

cve-icon Vulnrichment

Updated: 2026-09-04T12:55:03.817Z

cve-icon NVD

Status : Deferred

Published: 2026-09-04T07:17:08.937

Modified: 2026-09-08T19:15:18.627

Link: CVE-2026-19224

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-11T21:16:09Z

Weaknesses