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CVE-2026-19224

HIGH 7.2 CVSS 3.1
Published
September 4, 2026
Last modified
September 8, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-94
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Affected WordPress components

  • Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN Plugin · hummingbird-performance
    Confirmed match Active
    From 3.15.0 (including) to 3.21.2 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Hummingbird Performance — From 3.15.0 (including) to 3.21.2 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/443461c5-93c4-49b4-a5c2-057b7afa4ce6/
  • nvd.nist.gov Official NVD record