Input validation vulnerability in Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN 3.9.1

The Hummingbird plugin for WordPress has a security issue that could allow hackers to manipulate website settings and clear the cache. This vulnerability affects versions up to 3.9.1 and is caused by incorrect validation on two functions. It is important for site administrators to be cautious and not click on any suspicious links to avoid falling victim to this attack.

Detected in:

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Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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