Drupal avatar_uploader 7.x-1.0-beta8 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating the file parameter. Attackers can craft URLs with script payloads in the file parameter of avatar_uploader.pages.inc to execute arbitrary JavaScript in victim browsers.

Unrestricted file upload vulnerability in the Avatar Uploader module before 6.x-1.3 for Drupal allows remote authenticated users to execute arbitrary PHP code by uploading a file with a PHP extension, then accessing it via unspecified vectors.

Directory traversal vulnerability in the Avatar Uploader module 6.x-1.x before 6.x-1.2 and 7.x-1.x before 7.x-1.0-beta6 for Drupal allows remote authenticated users to read arbitrary files via a .. (dot dot) in the path of a cropped picture in the uploader panel.