CVE-2026-19224Hummingbird < 3.21.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite
Updated under an hour ago ()
Does this affect you?
It affects Unknown Hummingbird Performance. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 7.2 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Sep 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown Hummingbird Performance unknown:hummingbird_performance (from the name) | from 3.15.0 before 3.21.2 | CNA record |
References
- https://wpscan.com/vulnerability/443461c5-93c4-49b4-a5c2-057b7afa4ce6/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.