The ip_import_acl_csv request in GestioIP v3.5.7 is vulnerable to Reflected XSS. When a user uploads an improperly formatted file, the content may be reflected in the HTML response, allowing the attacker to execute malicious scripts or exfiltrate data.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.