https://github.com/cflint/CFLint is a very useful tool for linting (validating) your CFML code, there is integration available for many IDE's or you can run it in standalone mode over your whole code base

here is a sample .cflintrc file which reduces the noise

{
	"rule" : [ ],
	"excludes": [{"code":"ARGUMENT_ALLCAPS_NAME"},{"code":"ARGUMENT_HAS_PREFIX_OR_POSTFIX"},
		{"code":"ARGUMENT_INVALID_NAME"},{"code":"ARGUMENT_IS_TEMPORARY"},
		{"code":"ARGUMENT_TOO_LONG"},{"code":"ARGUMENT_TOO_SHORT"},{"code":"ARG_DEFAULT_MISSING"},
		{"code":"ARG_HINT_MISSING"},{"code":"ARG_HINT_MISSING_SCRIPT"},
		{"code":"ARG_TYPE_ANY"},{"code":"ARG_TYPE_MISSING"},{"code":"AVOID_USING_ARRAYNEW"},
		{"code":"AVOID_USING_CFABORT_TAG"},{"code":"AVOID_USING_CFDUMP_TAG"},
		{"code":"AVOID_USING_CFINCLUDE_TAG"},{"code":"AVOID_USING_CFMODULE_TAG"},{"code":"AVOID_USING_CREATEOBJECT"},
		{"code":"AVOID_USING_DEBUG_ATTR"},{"code":"AVOID_USING_ISDATE"},{"code":"AVOID_USING_STRUCTNEW"},
		{"code":"COMPONENT_HINT_MISSING"},{"code":"COMPONENT_INVALID_NAME"},
		{"code":"COMPONENT_TOO_LONG"},{"code":"COMPONENT_TOO_WORDY"},{"code":"EXCESSIVE_ARGUMENTS"},
		{"code":"EXCESSIVE_FUNCTIONS"},{"code":"EXCESSIVE_COMPONENT_LENGTH"},{"code":"EXCESSIVE_FUNCTION_LENGTH"},
		{"code":"UNUSED_METHOD_ARGUMENT"}, {"code":"SQL_SELECT_STAR"},
		{"code":"EXPLICIT_BOOLEAN_CHECK"},{"code":"FUNCTION_HINT_MISSING"},{"code":"FUNCTION_TOO_COMPLEX"},
		{"code":"FUNCTION_TYPE_ANY"},{"code":"FUNCTION_TYPE_MISSING"},{"code":"GLOBAL_LITERAL_VALUE_USED_TOO_OFTEN"},
		{"code":"GLOBAL_VAR"}, {"code":"LOCAL_LITERAL_VALUE_USED_TOO_OFTEN"},{"code":"METHOD_INVALID_NAME"},
		{"code":"METHOD_IS_TEMPORARY"},{"code":"METHOD_TOO_LONG"}, {"code":"METHOD_TOO_WORDY"},{"code":"NESTED_CFOUTPUT"},
		{"code":"OUTPUT_ATTR"},{"code":"PACKAGE_CASE_MISMATCH"},{"code":"STRUCT_ARRAY_NOTATION"},
		{"code":"UNQUOTED_STRUCT_KEY"},{"code":"VAR_ALLCAPS_NAME"},{"code":"VAR_HAS_PREFIX_OR_POSTFIX"},
		{"code":"VAR_IS_TEMPORARY"},{"code":"VAR_TOO_LONG"},{"code":"VAR_TOO_SHORT"},{"code":"VAR_TOO_WORDY"},
		{"code":"SCOPE_ALLCAPS_NAME"}, {"code":"AVOID_USING_ABORT"}, {"code":"VAR_INVALID_NAME"},
	],
	"includes" : [ ],
	"inheritParent" : false
}