See how icagenda compares to other vendors in security performance
A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.
Joomla Extension - icagenda.com - Authenticated Stored XSS in iCagenda 4.0.8 to 4.0.12 - The frontend "Submit an Event" form stores the image and file fields as raw strings with no output-side HTML-attribute escaping.