Directory traversal vulnerability in include/common.php in bcoos 1.0.10 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the xoopsOption[pagetype] parameter to the default URI for modules/news/. NOTE: this can be leveraged by using legitimate product functionality to upload a file that contains the code, then including that file.
Improper Limitation of a Pathname to a Restricted Directory The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.