Recently, a concerning data protection issue has been uncovered in the immersive translation extension, alarming many netizens. Sensitive user data, encompassing cryptocurrency wallet private keys, business contracts of enterprises, and other confidential information, have inadvertently been exposed on the internet. Upon investigation, this breach is not a result of a security vulnerability but rather stems from functional flaws inherent in the immersive translation feature. Specifically, the snapshot links generated by the extension were inadequately secured, enabling search engine crawlers to effortlessly capture and index this sensitive content publicly on the web.