PHP remote file inclusion vulnerability in layout/prepend.php in DotClear 1.2.4 and earlier allows remote attackers to execute arbitrary PHP code via a FTP URL in the blog_dc_path parameter, which passes file_exists() and is_dir() tests on PHP 5.
SQL injection vulnerability in session.php in DotClear before 1.2.3 allows remote attackers to execute arbitrary SQL commands via the dc_xd parameter in a cookie.