Multiple reflected Cross-Site Scripting (XSS) vulnerabilities in damasac thaipalliative_lte through version 3.0 allow remote attackers to inject arbitrary web script or HTML via the idFormMain parameter (line 24), the id parameter (lines 25, 75), and the ptid_key parameter (lines 26, 42) in /substudy/ezform.php. User input is echoed into HTML attributes and JavaScript contexts without encoding.