Multiple cross-site scripting (XSS) vulnerabilities in Achievo before 1.4.0 allow remote attackers to inject arbitrary web script or HTML via (1) the scheduler title in the scheduler module, and the (2) atksearch[contractnumber], (3) atksearch_AE_customer[customer], (4) atksearchmode[contracttype], and possibly (5) atksearch[contractname] parameters to the Organization Contracts administration page, reachable through dispatch.php.