Dolibarr ERP/CRM is affected by multiple reflected Cross-Site Scripting (XSS) vulnerabilities in versions before 5.0.4: index.php (leftmenu parameter), core/ajax/box.php (PATH_INFO), product/stats/card.php (type parameter), holiday/list.php (month_create, month_start, and month_end parameters), and don/card.php (societe, lastname, firstname, address, zipcode, town, and email parameters).