In the eCommerce module of the NextGEN Gallery Pro WordPress plugin before 3.1.11, there is an action to call get_cart_items via photocrati_ajax , after that the settings[shipping_address][name] is able to inject malicious javascript.

A Cross-Site Request Forgery (CSRF) issue in the NextGEN Gallery plugin before 3.5.0 for WordPress allows File Upload and Local File Inclusion via settings modification, leading to Remote Code Execution and XSS. (It is possible to bypass CSRF protection by simply not including a nonce parameter.)

A Cross-Site Request Forgery (CSRF) issue in the NextGEN Gallery plugin before 3.5.0 for WordPress allows File Upload. (It is possible to bypass CSRF protection by simply not including a nonce parameter.)

NextGEN Gallery plugin before 1.9.13 for WordPress: ngggallery.php file upload

NextGEN Gallery Plugin for WordPress 1.9.10 and 1.9.11 has a Path Disclosure Vulnerability

The NextGEN Gallery plugin before 2.1.10 for WordPress has multiple XSS issues involving thumbnail_width, thumbnail_height, thumbwidth, thumbheight, wmXpos, and wmYpos, and template.

The NextGEN Gallery plugin before 2.1.15 for WordPress allows ../ Directory Traversal in path selection.

The nextgen-gallery plugin before 2.1.57 for WordPress has SQL injection via a gallery name.

The Imagely NextGen Gallery plugin for Wordpress prior to version 2.1.57 does not properly validate user input in the cssfile parameter of a HTTP POST request, which may allow an authenticated user to read arbitrary files from the server, or execute arbitrary code on the server in some circumstances (dependent on server configuration).

Imagely NextGEN Gallery version 2.2.30 and earlier contains a Cross Site Scripting (XSS) vulnerability in Image Alt & Title Text. This attack appears to be exploitable via a victim viewing the image in the administrator page. This vulnerability appears to have been fixed in 2.2.45.