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.
Improper Control of Generation of Code The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.