Direct code injection vulnerability in awstats.pl in AWStats 6.3 and 6.4 allows remote attackers to execute portions of Perl code via the PluginMode parameter.
Directory traversal vulnerability in awstats.pl in AWStats 6.3 and 6.4 allows remote attackers to include arbitrary Perl modules via .. (dot dot) sequences in the loadplugin parameter.
awstats.pl in AWStats 6.2 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) "pluginmode", (2) "loadplugin", or (3) "noloadplugin" parameters.
AWStats 6.1, and other versions before 6.3, allows remote attackers to execute arbitrary commands via shell metacharacters in the configdir parameter to aswtats.pl.