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.
CVE ID: CVE-2025-1888
CVSS Base Severity: MEDIUM
CVSS Base Score: 4.6
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Vendor: Leica BioSystems
Product: Aperio Eslide Manager
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 4.44% (scored less or equal to compared to others)
EPSS Date: 2025-04-12 (when was this score calculated)