The Snap Creek Duplicator plugin before 1.3.28 for WordPress (and Duplicator Pro before 3.8.7.1) allows Directory Traversal via ../ in the file parameter to duplicator_download or duplicator_init.

The Duplicator WordPress plugin before 1.3.0 does not properly escape values when its installer script replaces values in WordPress configuration files. If this installer script is left on the site after use, it could be use to run arbitrary code on the server.

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Snap Creek Software EZP Coming Soon Page plugin <= 1.0.7.3 versions.

The Duplicator WordPress plugin before 1.4.7 discloses the url of the a backup to unauthenticated visitors accessing the main installer endpoint of the plugin, if the installer script has been run once by an administrator, allowing download of the full site backup without authenticating.

The Duplicator WordPress plugin before 1.4.7 does not authenticate or authorize visitors before displaying information about the system such as server software, php version and full file system path to the site.

An issue was discovered in Snap Creek Duplicator before 1.2.42. By accessing leftover installer files (installer.php and installer-backup.php), an attacker can inject PHP code into wp-config.php during the database setup step, achieving arbitrary code execution.

Cross-site scripting (XSS) vulnerability in installer/build/view.step4.php of the SnapCreek Duplicator plugin 1.2.32 for WordPress allows remote attackers to inject arbitrary JavaScript or HTML via the json parameter.

installer.php in the Snap Creek Duplicator (WordPress Site Migration & Backup) plugin before 1.2.30 for WordPress has XSS because the values "url_new" (/wp-content/plugins/duplicator/installer/build/view.step4.php) and "logging" (wp-content/plugins/duplicator/installer/build/view.step2.php) are not filtered correctly.

The Duplicator plugin in Wordpress before 0.5.10 allows remote authenticated users to create and download backup files.