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CVE-2023-1478

CRITICAL 9.8 CVSS 3.1
Published
April 10, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-22
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Hummingbird WordPress plugin before 3.4.2 does not validate the generated file path for page cache files before writing them, leading to a path traversal vulnerability in the page cache module.

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
    Before 3.4.2
    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 — Before 3.4.2
  • incsub hummingbird — Before 3.4.2

References

  • wpscan.com https://wpscan.com/vulnerability/512a9ba4-01c0-4614-a991-efdc7fe51abe Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record