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 A51 D.O.O. activeCollab 0.7.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2009-1772.