AdForest - Classified Android App version 4.0.12 (package name scriptsbundle.adforest), developed by Muhammad Jawad Arshad, contains an improper access control vulnerability in its authentication mechanism. The app uses a Base64-encoded email address as the authorization credential, which can be manipulated by attackers to gain unauthorized access to user accounts. Successful exploitation could result in account compromise, privacy breaches, and misuse of the platform.