Input validation vulnerability in adBuddy+ (AdBlocker Detection) by NetfunkDesign 1.1.3

A popular plugin for WordPress called adBuddy+ (AdBlocker Detection) by NetfunkDesign has a security flaw that allows hackers to insert harmful code into a website. This can happen if the administrator has not properly checked for and removed any malicious code. This vulnerability affects all versions up to and including 1.1.3, and can only be exploited by someone with administrator-level access to the site. It mainly affects websites with multiple installations and those that have disabled the unfiltered_html feature.