Direct static code injection vulnerability in includes/admin/sub/conf_appearence.php in Shop-Script FREE 2.0 and earlier allows remote attackers to inject arbitrary PHP code into cfg/appearence.inc.php via a save_appearence action in admin.php, as demonstrated with the (1) productscount, (2) colscount, and (3) darkcolor parameters.
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.