GLPI's MailCollector Receiver is vulnerable to credential exfiltration

GLPI stands for Gestionnaire Libre de Parc Informatique is a Free Asset and IT Management Software package, that provides ITIL Service Desk features, licenses tracking and software auditing. In versions 9.3.1 through 10.0.19, a connected user can use a malicious payload to steal mail receiver credentials. This is fixed in version 10.0.19.