The 3D Photo Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'des[]' parameter in all versions up to, and including, 1.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
https://plugins.trac.wordpress.org/browser/3d-photo-gallery/tags/1.3/plugin.class.php#L57