Multiple cross-site scripting (XSS) vulnerabilities in the installer in Serendipity (S9Y) 1.3 allow remote attackers to inject arbitrary web script or HTML via (1) unspecified path fields or (2) the database host field. NOTE: the timing window for exploitation of this issue might be limited.
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.