Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of signatures.
In Foxit PDF Reader before 2024.1 and PDF Editor before 2024.1, code execution via JavaScript could occur because of an unoptimized prompt message for users to review parameters of commands.