Cross-site scripting (XSS) vulnerability in the JsonBuilder implementation in ProjectForge before 5.3 allows remote authenticated users to inject arbitrary web script or HTML via an autocompletion string, related to web/core/JsonBuilder.java and web/wicket/autocompletion/PFAutoCompleteBehavior.java.

Multiple cross-site request forgery (CSRF) vulnerabilities in ProjectForge before 5.3 allow remote attackers to hijack the authentication of arbitrary users via vectors related to (1) web/admin/, (2) web/core/, (3) web/dialog/, (4) web/fibu/, (5) web/mobile/, (6) web/task/, or (7) web/wicket/.

Cross-site scripting (XSS) vulnerability in ProjectForge before 3.5.3 allows remote authenticated users to inject arbitrary web script or HTML via a validation message.