The Leica Web Viewer within the Aperio Eslide Manager Application is vulnerable to reflected cross-site scripting (XSS). An authenticated user can access the slides within a project and injecting malicious JavaScript into the "memo" field. The memo field has a hover over action that will display a Microsoft Tool Tip which a user can use to quickly view the memo associated with the slide and execute the JavaScript.
https://blog.blacklanternsecurity.com/p/cve-2025-1888reflected-xss-in-aperio