¿Cómo actualizar y eliminar el código malicioso que se inserta en moodle?

Problemas con versión de moodle

UPDATE `mdl_course`
SET modinfo= REPLACE(modinfo, 'https://4347abb6295c5b7b40f3-6e99d38ec880a25be27d20b77638064c.ssl.cf2.rackcdn.com/ytplayall-min.js?', '');

UPDATE `mdl_course`
SET summary= REPLACE(summary, 'https://4347abb6295c5b7b40f3-6e99d38ec880a25be27d20b77638064c.ssl.cf2.rackcdn.com/ytplayall-min.js?', '');

UPDATE mdl_forum
SET intro= REPLACE(intro, 'https://4347abb6295c5b7b40f3-6e99d38ec880a25be27d20b77638064c.ssl.cf2.rackcdn.com/ytplayall-min.js?', '');

UPDATE mdl_forum_posts
SET message= REPLACE(message, 'https://4347abb6295c5b7b40f3-6e99d38ec880a25be27d20b77638064c.ssl.cf2.rackcdn.com/ytplayall-min.js?', '');

UPDATE `mdl_label`
SET intro= REPLACE(intro, 'https://4347abb6295c5b7b40f3-6e99d38ec880a25be27d20b77638064c.ssl.cf2.rackcdn.com/ytplayall-min.js?', '');

UPDATE `mdl_course`
SET sectioncache= REPLACE(sectioncache, 'https://4347abb6295c5b7b40f3-6e99d38ec880a25be27d20b77638064c.ssl.cf2.rackcdn.com/ytplayall-min.js?', '');

UPDATE `mdl_course_sections`
SET summary= REPLACE(summary, 'https://4347abb6295c5b7b40f3-6e99d38ec880a25be27d20b77638064c.ssl.cf2.rackcdn.com/ytplayall-min.js?', '');