![]() While tracking companies have been abusing this property to leak information, malicious sites (opens in new tab) have also been able to observe the content of widnow.name to gather private user data that was inadvertently leaked by another website.Īs more of our work is now done from a browser especially while working from home (opens in new tab), making the switch from Microsoft Edge (opens in new tab) or Google Chrome (opens in new tab) to Mozilla Firefox may be the right choice if you want to protect your privacy further and prevent being tracked online. To close this leak, Firefox now confines the window.name property to the website that created it.” ![]() Unfortunately, data stored in window.name has been allowed by standard browser rules to leak between websites, enabling trackers to identify users or snoop on their browsing history. “Since the late 1990s, web browsers have made the window.name property available to web pages as a place to store data. Previously, this property persisted across the life of a tab, meaning. ![]() In a blog post, (opens in new tab) senior software engineer at Mozilla, Tim Huan provided further insight on how window.name can be abused to track users online, saying: Firefox 88 was released on Monday, and among the changes is a shift in how the browser will handle the window.name property.
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