High severity7.2NVD Advisory· Published Sep 4, 2026· Updated Sep 8, 2026
CVE-2026-19224
CVE-2026-19224
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <3.21.2
Patches
Vulnerability mechanics
References
1News mentions
2- Wordfence Intelligence Weekly WordPress Vulnerability Report (August 31, 2026 to September 6, 2026)Wordfence Blog · Sep 10, 2026
- WordPress Plugins: 25 Vulnerabilities Disclosed in Batch, Ranging from Critical to Medium SeverityVypr Intelligence · Sep 4, 2026