Butterfly Organizer 2.0.0 allows remote attackers to (1) delete arbitrary categories via a modified tablehere parameter to category-delete.php with the is_js_confirmed parameter set to 1, or (2) delete arbitrary accounts via the mytable parameter to delete.php.

Multiple cross-site scripting (XSS) vulnerabilities in Butterfly Organizer 2.0.0 allow remote attackers to inject arbitrary web script or HTML via the (1) mytable parameter to view.php, (2) mytable parameter to viewdb2.php, (3) tablehere parameter to category-rename.php, and (4) letter parameter to module-contacts.php.

SQL injection vulnerability in view.php in Butterfly Organizer 2.0.0 and 2.0.1 allows remote attackers to execute arbitrary SQL commands via the id parameter.

SQL injection vulnerability in view.php in Butterfly Organizer 2.0.1 allows remote attackers to execute arbitrary SQL commands via the mytable parameter. NOTE: the id vector is covered by another CVE name.

PHP remote file inclusion vulnerability in visitor.php in Butterfly online visitors counter 1.08, when used with certain older versions of PHP with improper SERVER superglobal handling, allows remote attackers to execute arbitrary PHP code via a URL in the _SERVER[DOCUMENT_ROOT] parameter. NOTE: it could be argued that this vulnerability is caused by a problem in PHP and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Butterfly online visitors counter.