The 'sReferencia', 'sDescripcion', 'txtCodigo' and 'txtDescripcion' parameters, in the frmGestionStock.aspx and frmEditServicio.aspx files in TCMAN GIM v8.0.1, could allow an attacker to perform persistent XSS attacks.
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-tcman-gim