Input validation vulnerability in 404 Solution 2.35.19

The 404 Solution plugin used on WordPress is at risk of being hacked through a type of attack called Reflected Cross-Site Scripting. This can happen in any version of the plugin, including the most recent one (2.35.19). The issue is caused by not properly checking and filtering the information that is entered and displayed on the website. This means that someone who is not logged in or authorized can insert harmful code into a page that will run when a user clicks on a link.

Detected in:

404 Solution fixed vulnerable versions: >= * <= 2.35.19

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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
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< to 2.2.21

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