ActiveCollab before 2.3.2 allows remote authenticated users to bypass intended access restrictions, and (1) delete an attachment or (2) subscribe to an object, via a crafted URL.
Cross-site scripting (XSS) vulnerability in activeCollab 2.1 Corporate allows remote attackers to inject arbitrary web script or HTML via the re_route parameter to the login script.
activeCollab 2.1 Corporate allows remote attackers to obtain sensitive information via an invalid re_route parameter to the login script, which reveals the installation path in an error message.