An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is not necessary, but the action must be performed) who has the vulnerable software could introduce arbitrary JavaScript by injecting an XSS payload into the ‘Surname’ parameter of the ‘Create Account’ operation at the URL: https://zeus.microcom.es:4040/index.html?zeus6=true . This issue affects ZeusWeb: 6.1.31.
The provider has implement the new version 6.2.5 which solves the security problems detected in the previous version. The end user does not need to perform any update actions, as the software is cloud-based and managed by the provider, who has implemented the new version for all users.