Unrestricted file upload vulnerability in the Live CSS module 6.x-2.x before 6.x-2.1 and 7.x-2.x before 7.x-2.7 for Drupal allows remote authenticated users with the "administer CSS" permissions to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an unspecified directory.
https://drupal.org/node/1890318
http://www.openwall.com/lists/oss-security/2013/01/21/5
http://drupalcode.org/project/live_css.git/commitdiff/ef323c8
http://drupalcode.org/project/live_css.git/commitdiff/cb7005f