The WebView class in the Cybozu KUNAI application before 2.0.6 for Android allows remote attackers to execute arbitrary JavaScript code, and obtain sensitive information, via a crafted application that places this code into a local file associated with a file: URL.
Cybozu KUNAI for iPhone 2.0.3 through 3.1.5 and for Android 2.1.2 through 3.0.4 does not verify SSL certificates.