Prerequisites

• I performed a cursory search of the issue tracker to avoid opening a duplicate issue
  • Your issue may already be reported.
  • I also searched the existing issues at https://github.com/gorhill/uMatrix/issues
• This is not a support issue or a question
  • Support issues and questions are handled at /r/uMatrix
• I tried to reproduce the issue when...
  • uMatrix is the only extension
  • uMatrix with default lists/settings
  • using a new, unmodified browser profile
• I am running the latest version of uMatrix
• I checked the documentation to understand that the issue I report is not a normal behavior
• I used the logger to rule out that the issue is caused by my ruleset

Description

Referrer leaks at https://www.myip.com/ when visited via google search result.

A specific URL where the issue occurs

https://www.myip.com/

Steps to Reproduce

1. Visit https://www.google.com/
2. Type my ip in search and hit Enter
3. Click on the very first result which is https://www.myip.com/ and scroll down to the end of the page to locate Referrer field showing URL: www.google.com

Supporting evidence

Logger shows that REFERRER was blocked yet the website is able to detect.

Your environment

• uMatrix version: v1.3.15.101
• Browser Name and version: Chrome 72
• Operating System and version: Win X