Security Advisory

CVE-2021-43540

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-12-08 21:20:08

Last updated 2024-08-04 04:03:06

Assigner mozilla

State PUBLISHED

Description

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95.

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