timthumb script vulnerability

Hi.
I received a notice from our host about the timthumb script version used in this plugin containing vulnerabilities and needing to be updated.
https://wpengine.com/2011/11/22/timthumb-script-scanner/
Just thought you might want to update.
-R

Here’s the notice I received:

— Found version 2.8.13 [site]wp-content/plugins/ajax-search-lite/includes/timthumb.php – Replaced with 2.8.13.1

https://www.ads-software.com/plugins/ajax-search-lite/