Undesired Behavior Affecting event-source-polyfill package, versions >=1.0.26 <1.0.29
Snyk CVSS
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Test your applications- Snyk ID SNYK-JS-EVENTSOURCEPOLYFILL-2429580
- published 18 Mar 2022
- disclosed 18 Mar 2022
- credit Gunnar Søndergård
How to fix?
Upgrade event-source-polyfill
to version 1.0.29 or higher.
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 versions starting with 1.0.26, previous versions other than 1.0.26 are not affected.