Input validation vulnerability in Popup box 2.3.4

The Popup box WordPress plugin before version 2.3.4 had a security flaw in its get_ays_popupboxes() and get_popup_categories() functions. This flaw allowed malicious users to inject code into the admin dashboard through the ‘orderby’ parameter without any whitelisting or validation.

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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