A security vulnerability has been detected in 1&1 Mail & Media mail.com App 8.8.0 on Android. Affected is an unknown function of the file AndroidManifest.xml of the component com.mail.mobile.android.mail. The manipulation leads to improper export of android application components. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.