include/imageObjectIM.class.php in Coppermine Photo Gallery (CPG) before 1.4.15, when the ImageMagick picture processing method is configured, allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) quality, (2) angle, or (3) clipval parameter to picEditor.php.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.