A Stored Cross-Site Scripting (XSS) vulnerability was discovered in ProjectGeneral/edit_project_settings.php in REDCap 12.0.11. This issue allows any user with project management permissions to inject arbitrary code into the project title (app_title) field when editing an existing project. The payload is then reflected within the title tag of the page.

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in Messenger/messenger_ajax.php in REDCap 12.0.11. This issue allows any authenticated user to inject arbitrary code into the messenger title (aka new_title) field when editing an existing conversation. The payload executes in the browser of any conversation participant with the sidebar shown.