awstatstotals.php in AWStats Totals 1.0 through 1.14 allows remote attackers to execute arbitrary code via PHP sequences in the sort parameter, which is used by the multisort function when dynamically creating an anonymous PHP function.
https://www.exploit-db.com/exploits/6368
https://exchange.xforce.ibmcloud.com/vulnerabilities/44712
http://www.vupen.com/english/advisories/2008/2442
http://www.telartis.nl/xcms/awstats/
http://www.securityfocus.com/bid/30856
http://www.securityfocus.com/archive/1/495770/100/0/threaded
http://www.exploit-db.com/exploits/17324
http://userwww.service.emory.edu/~ekenda2/EMORY-2008-01.txt
http://securityreason.com/securityalert/8259