This update adds support for SSL (https) enabled websites. Additionally it also addresses a small cross-site scripting (XSS) security issue in the canonical url as well replaced the unknown module redirect with "404 not found" error.

Included files:
Updated: blocks/facebook.php
Updated: classes/class_system.php
Updates: classes/class_templates.php
Updated: index.php
Updated: modules/articles/articlessummary.php
Updated: modules/files/filesdetails.php
Updated: modules/knowledgebase/knowledgebaseentry.php
Updated: modules/news/newsstory.php

You need to download the proper zip file for your Contentteller edition:
2_1_18_1_se_ssl_xss.zip = for Standard Edition
2_1_18_1_pe_ssl_xss.zip = for Professional Edition
2_1_18_1_be_ssl_xss.zip = for Business Edition
   2_1_18_1_se_ssl_xss.zip
   2_1_18_1_pe_ssl_xss.zip
   2_1_18_1_be_ssl_xss.zip