WordPress 1 vulnerability

Is the Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN plugin safe?

Below are the known, publicly disclosed vulnerabilities of the Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN (WordPress) component. If you use it on your site, check the version and update it before the flaw gets exploited.

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Known vulnerabilities

Krytyczna · CVSS 9.8 CVE-2026-83627 September 5, 2026

Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN: zdalne wykonanie kodu (RCE)

Zdalne wykonanie kodu (RCE) w komponencie Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN. Ocena zagrożenia: Krytyczna (CVSS 9.8). Zaktualizuj podatny komponent do najnowszej wersji lub tymczasowo go wyłącz.

Details and what to do → Source (NVD) ↗

How to check whether this affects you

  • Check the installed version of the Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN component in the admin panel.
  • Compare it with the fixed version noted in the details of the relevant vulnerability above.
  • If your version is older, update the component to the latest available.
  • If a fix has not been released yet, temporarily disable the vulnerable element and watch your logs.
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