Vulnerability in the Oracle WebCenter Sites component of Oracle Fusion Middleware (subcomponent: Advanced UI). Supported versions that are affected are 11.1.1.8.0, 12.2.1.0.0, 12.2.1.1.0 and 12.2.1.2.0. Easily "exploitable" vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data as well as unauthorized update, insert or delete access to some of Oracle WebCenter Sites accessible data. CVSS 3.0 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N).