UI security concerns primarily revolve around deceptive user interfaces and client-side manipulation. Attacks like clickjacking trick users into performing unintended actions by overlaying malicious content over legitimate UI elements, leading to unauthorized operations or data disclosure. Cross-site scripting (XSS) vulnerabilities often stem from UI input fields that fail to properly sanitize user-generated content, allowing attackers to inject harmful scripts that can steal session cookies or deface the interface. Furthermore, the UI can inadvertently expose sensitive data through error messages or inadequate masking, or present fake login screens to harvest credentials. Improper validation of client-side UI interactions also enables attackers to bypass security checks, modify displayed data, or force unintended actions, highlighting the critical need for robust server-side validation. These issues underscore that while UIs aim for usability, they must be meticulously designed and implemented with a strong security posture to prevent various exploitation vectors. More details: https://www.savechildren.or.jp/lp/?advid=210301-160003&url=https://epi-us.com/