Twitch extension with 30K installs exposes users’ OAuth tokens

Twitch extension with 30K installs exposes users’ OAuth tokens
A browser extension named Twitch Enhanced Viewer | JeetBot, available in the official Chrome and Firefox stores, is sending Twitch OAuth session tokens to a commercial bot service through proxy servers. Socket found that the extension captures users’ authorization headers, leaks tokens in cleartext logs, and recommends removing the extension and re-authenticating Twitch sessions. #TwitchEnhancedViewer #JeetBot #Twitch

Keypoints

  • The extension has more than 30,000 installs in Chrome and Firefox stores.
  • It is marketed as a tool for ad blocking, 1080p playback, region bypassing, and channel-point collection.
  • Socket found it extracts Twitch OAuth tokens from authorization headers.
  • The tokens are sent to JeetBot-operated proxy servers and logged in cleartext.
  • Users are advised to remove the extension, disconnect Twitch sessions, and log in again.

Read More: https://www.bleepingcomputer.com/news/security/twitch-extension-with-30k-installs-exposes-users-oauth-tokens/