Cross-site scripting (XSS) vulnerability in index.php in Flyspray 0.9.7 through 0.9.8 (devel) allows remote attackers to inject arbitrary web script or HTML via the (1) PHPSESSID, (2) task, (3) string, (4) type, (5) serv, (6) due, (7) dev, and (8) sort2 parameters.