Language: PHP
Label: safe
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Code:
            foreach ($d->aliases as $alias) {
                $schema->addAlias(
                    $alias->key,
                    $d->id->key
                );
            }