The Child Theme Creator by Orbisius plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the cloud_delete() and cloud_update() functions in all versions up to, and including, 1.5.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update and delete cloud snippets. Please note that this vulnerability was present in the Cloud Library Addon used by the plugin and not in the plugin itself, the cloud library has been removed entirely.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Svetoslav Marinov (Slavi) Child Theme Creator allows Reflected XSS.This issue affects Child Theme Creator: from n/a through 1.5.4.

The orbisius-child-theme-creator plugin before 1.5.2 for WordPress allows CSRF via orbisius_ctc_theme_editor_manage_file.

The orbisius-child-theme-creator plugin before 1.2.8 for WordPress has incorrect access control for file modification via the wp-admin/admin-ajax.php?action=orbisius_ctc_theme_editor_ajax&sub_cmd=save_file theme_1, theme_1_file, or theme_1_file_contents parameter.