Input validation vulnerability in Event Espresso – Custom Email Template Shortcode 1.0.0

The plugin called “Event Espresso – Custom Email Template Shortcode” for WordPress has a security issue known as Reflected Cross-Site Scripting. This problem affects versions 1.0.0 and earlier because the plugin does not properly clean up the input and output data. This could allow attackers who are not logged in to insert harmful code into a webpage and have it run if they can trick someone into clicking on a link.

Detected in:

Event Espresso – Custom Email Template Shortcode open vulnerable versions: >= * <= 1.0.0

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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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