SquareX Researchers Expose OAuth Attack On Chrome Extensions Days Before Major Breach

This story was originally published on HackerNoon at: https://hackernoon.com/squarex-researchers-expose-oauth-attack-on-chrome-extensions-days-before-major-breach.

The data loss prevention company declined to comment on the extent of the impact when approached by the press, but the extension had over 400,000 users on the C

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A malicious version of Cyberhaven’s browser extension was published on the Chrome Store that allowed the attacker to hijack authenticated sessions and exfiltrate confidential information. The extension was available for download for more than 30 hours before being removed by Cyberhaven.