Modern CMS platforms have much more robust security than standalone scripts from a decade ago. Conclusion
If your goal is to find information related to this query, consider the following: intitle liveapplet inurl lvappl and 1 guestbook phprar full
Put together, this looks like a searching for outdated installations of some web software (LiveApplet? Guestbook + phpRAR) that might be vulnerable. Modern CMS platforms have much more robust security