Unrestricted file upload vulnerability in the fileUnzip->unzip method in Dotclear before 2.10.3 allows remote authenticated users with permissions to manage media items to execute arbitrary code by uploading a ZIP file containing a file with a crafted extension, as demonstrated by .php.txt or .php%20.
https://hg.dotclear.org/dotclear/rev/a9db771a5a70
https://dotclear.org/blog/post/2016/11/01/Dotclear-2.10.3