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Submission + - ShowIP Firefox add-on secretly leaks URL data (

An anonymous reader writes: According to researchers at Sophos, a popular Firefox add-on appears to have started leaking private information about every website that users visit to a third-party server, including sensitive data which could identify individuals or reduce their security.

ShowIP is designed to "show the IP address(es) of the current page in the status bar" and is used by over 170,000 Firefox users.

However, the full URL of every webpage visited is sent to the Germany-based website, using unencrypted connections.

In addition, the add-on has no warning that sites you visit might be disclosed, no privacy policy small print explaining its behaviour, and no apparent way to opt-out of the data-sharing.

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ShowIP Firefox add-on secretly leaks URL data

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