This indicates an attack attempt to exploit a Cross-Site Scripting vulnerability in Google Android.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted web page. A remote attacker may be able to exploit this to inject arbitrary web script or HTML via a crafted web page.
Google Android 4.3.1 and prior version
System Compromise: Remote attackers can execute arbitrary script code within the context of the target user's browser.
Apply the most recent upgrade or patch from the vendor.