GHSA-QW4H-3XJJ-84CC Apache Tiles: Unvalidated input may lead to path traversal and XXE

The value set as the DefaultLocaleResolver.LOCALEKEY attribute on the session was not validated while resolving XML definition files, leading to possible path traversal and eventually SSRF/XXE when passing user-controlled data to this key. Passing user-controlled data to this key may be relativel...