Lots of clients enquired about Log4j issue.
We have run a full security check of all our online services right after we get notice. Flipbuilder is 100% safe, and free risks of the Log4j flaws, for Flipbuilder DO NOT USE Log4j in our online hosting services at all.
However, if you embed our books in your own website on a server with the Log4j flaws, you will need to contact your hosting service provider to update.
Flipbuilder will always try our best to build a better tool for your needs.