Tag: Browser-Extension [2]

• [$1250 - High Severity] Bypassing Brower Extension's Geolocation Spoofing with a Malicious Website (Location Guard & ExpressVPN) (Aug 28, 2023)
  Bypassing the spoof geolocation feature in browser extensions to disclose the physical location of a user. I share two high severity bugs. Bug 1 is a generic payload that works across multiple extensions, and bug 2 is an ExpressVPN specific payload that has been patched. This post is a case study with the Location Guard & ExpressVPN extensions, my bug bounty experience, and a few takeaways that may prove insightful for others.
• Optimizing Multi-Destination Routes with Google Maps and a Chrome Extension (Nov 07, 2022)
  Finding the best route between multiple destinations in Google Maps or other tools can be frustrating. I have created a bespoke Chromium browser extension to help calculate a relatively optimal multi-destination travel route. Usage: Install the extension, navigate to https://maps.google.com, and use the tool.