Input validation vulnerability in DeepL API translation plugin 2.1.4

The DeepL Pro API translation plugin for WordPress has a security issue that affects versions up to 2.1.4. This issue makes it possible for unauthenticated attackers to change the plugin settings if they can get a site administrator to click on a malicious link. This is because the plugin does not properly validate nonce on the ‘saveSettings’ function.

Detected in:

DeepL API translation plugin fixed vulnerable versions: >= * <= 2.1.4
Translation with DeepL API fixed vulnerable versions:

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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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