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.

In the nextgen-gallery plugin before 2.2.50 for WordPress, gallery paths are not secured.

In the nggallery-manage-gallery page in the Photocrati NextGEN Gallery plugin 2.1.15 for WordPress, XSS is possible for remote authenticated administrators via the images[1][alttext] parameter.

In post-new.php in the Photocrati NextGEN Gallery plugin 2.1.10 for WordPress, unrestricted file upload is available via the name parameter, if a file extension is changed from .jpg to .php.

Cross-site scripting (XSS) vulnerability in xml/media-rss.php in the NextGEN Gallery plugin before 1.5.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the mode parameter.

Cross-site scripting (XSS) vulnerability in wp-admin/admin.php in NextGEN Gallery 0.96 and earlier plugin for Wordpress allows remote attackers to inject arbitrary web script or HTML via the picture description field in a page edit action.