Undesired Behavior Affecting event-source-polyfill package, versions >=1.0.26


0.0
medium
  • Exploit Maturity

    Mature

  • Attack Complexity

    Low

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  • snyk-id

    SNYK-JS-EVENTSOURCEPOLYFILL-2429580

  • published

    18 Mar 2022

  • disclosed

    18 Mar 2022

  • credit

    Gunnar Søndergård

Introduced: 18 Mar 2022

Malicious CWE-506 Open this link in a new tab
First added by Snyk

How to fix?

There is no fixed version for event-source-polyfill.

Overview

event-source-polyfill is an A polyfill for http://www.w3.org/TR/eventsource/

Affected versions of this package are vulnerable to Undesired Behavior. This package geo-locates users based on their IP address and if the user is Russia-based prints a political protest message in the browser 15 seconds after the package is loaded. The package then tries to redirect the browser into another website via the windows.call command.

Note: This issue affects version 1.0.26 only, previous versions other than 1.0.26 are not affected.