Hudong » Hdwiki : Security Vulnerabilities, CVEs,

Unrestricted file upload vulnerability in attachement.php in HDWiki 5.0 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in image directory.

SQL injection vulnerability in model/comment.class.php in HDWiki 5.0, 5.1, and possibly other versions allows remote attackers to execute arbitrary SQL commands via the PATH_INFO to index.php. NOTE: some of these details are obtained from third party information.