CVE-2026-19224
Hummingbird < 3.21.2 - Admin+ Network-Wide RCE via Hub Connector on Multisite
- State
- Published
- Severity
- 7.2 High
- Published
- Sep 4, 2026
- Updated
- Sep 4, 2026
- Reserved
- Aug 7, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
Hummingbird PerformanceUnknown |
|
References
- https://wpscan.com/vulnerability/443461c5-93c4-49b4-a5c2-057b7afa4ce6/exploitvdb-entrytechnical-description
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