Jehovahs Witnesses JW Library App org.jw.jwlibrary.mobile.activity.SiloContainer path traversal

A vulnerability has been found in Jehovahs Witnesses JW Library App up to 15.5.1 on Android. Affected is an unknown function of the component org.jw.jwlibrary.mobile.activity.SiloContainer. Such manipulation leads to path traversal. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.