faces/context/PartialViewContextImpl.java in Eclipse Mojarra, as used in Mojarra for Eclipse EE4J before 2.3.10 and Mojarra JavaServer Faces before 2.2.20, allows Reflected XSS because a client window field is mishandled.
The getLocalePrefix function in ResourceManager.java in Eclipse Mojarra before 2.3.7 is affected by Directory Traversal via the loc parameter. A remote attacker can download configuration files or Java bytecodes from applications.