Input validation vulnerability in Fast & Effective Popups & Lead-Generation for WordPress – HollerBox 2.3.2

The HollerBox plugin for WordPress is at risk of attack if it is used in certain ways. If the plugin is used on a multi-site installation or on an installation where unfiltered_html has been disabled, then an attacker with administrator-level access could inject web scripts into pages. These scripts would be executed whenever a user accesses the injected page. The vulnerability affects versions of the plugin up to and including version 2.3.2.

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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