Ticket #16974: 16974.3.patch

functions.php

@@ -3250 +3250 @@
  * @return int An nonnegative integer
  */
 function absint( $maybeint ) {
+        if ( ! is_numeric( trim( $maybeint ) ) ) {
+                return 0;
+        }
         return abs( intval( $maybeint ) );
 }