Если зайти на сайт по пути типа /node/+union+select+1/* , то получим ошибку типа такой
Error

Error message

PDOException: SQLSTATE[22P02]: Invalid text representation: 7 ОШИБКА: неверное значение для целого числа: " union select 1" LINE 5: WHERE (base.nid IN (' union select 1')) ^: SELECT revision.vid AS vid, base.uid AS uid, revision.title AS title, revision.log AS log, revision.status AS status, revision.comment AS comment, revision.promote AS promote, revision.sticky AS sticky, base.nid AS nid, base.type AS type, base.language AS language, base.created AS created, base.changed AS changed, base.tnid AS tnid, base.translate AS translate, revision.timestamp AS revision_timestamp, revision.uid AS revision_uid FROM {node} base INNER JOIN {node_revision} revision ON revision.vid = base.vid WHERE (base.nid IN (:db_condition_placeholder_0)) ; Array ( [:db_condition_placeholder_0] => union select 1 ) in DrupalDefaultEntityController->load() (line 196 of /srv/www/htdocs/all/includes/entity.inc).
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