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Vulnerability record · CVE-2026-19224 · published 4 September 2026

CVE-2026-19224: Code injection vulnerability

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.

7.2 CVSS 3.1 High EPSS 0.37% · top 71.7% CWE-94 · Code injection Deferred
7.2CVSS 3.1 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
8 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-19224), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.