A vulnerability has been found in chaitak-gorai Blogbook up to 92f5cf90f8a7e6566b576fe0952e14e1c6736513 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /register_script.php. The manipulation of the argument fullname leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. It is recommended to upgrade the affected component. The vendor was contacted early about this disclosure but did not respond in any way.